diff --git a/i.c b/i.c
index 78f65b8..0a2406a 100644
--- a/i.c
+++ b/i.c
@@ -9,6 +9,9 @@ extern obj cx__2Atransformers_2A;
 extern obj cx__2Adynamic_2Dstate_2A;
 extern obj cx_continuation_2Dadapter_2Dcode;
 extern obj cx_callmv_2Dadapter_2Dclosure;
+extern obj cx__2Acurrent_2Dinput_2A;
+extern obj cx__2Acurrent_2Doutput_2A;
+extern obj cx__2Acurrent_2Derror_2A;
 
 #define istagged(o, t) istagged_inlined(o, t) 
 
@@ -3080,18 +3083,70 @@ define_instruction(opp) {
   gonexti();
 }
 
+define_instruction(cin) {
+  ac = cx__2Acurrent_2Dinput_2A;
+  assert(is_iport(ac));
+  gonexti();
+}
+
+define_instruction(cout) {
+  ac = cx__2Acurrent_2Doutput_2A;
+  assert(is_oport(ac));
+  gonexti();
+}
+
+define_instruction(cerr) {
+  ac = cx__2Acurrent_2Derror_2A;
+  assert(is_oport(ac));
+  gonexti();
+}
+
+define_instruction(cinv) {
+  if (ac == void_obj()) {
+    ac = cx__2Acurrent_2Dinput_2A;
+    assert(is_iport(ac));
+  } else {
+    ckr(ac);
+    cx__2Acurrent_2Dinput_2A = ac;
+  }  
+  gonexti();
+}
+
+define_instruction(coutv) {
+  if (ac == void_obj()) {
+    ac = cx__2Acurrent_2Doutput_2A;
+    assert(is_oport(ac));
+  } else {
+    ckw(ac);
+    cx__2Acurrent_2Doutput_2A = ac;
+  }  
+  gonexti();
+}
+
+define_instruction(cerrv) {
+  if (ac == void_obj()) {
+    ac = cx__2Acurrent_2Derror_2A;
+    assert(is_oport(ac));
+  } else {
+    ckw(ac);
+    cx__2Acurrent_2Derror_2A = ac;
+  }  
+  gonexti();
+}
+
+
 define_instruction(sip) {
-  ac = iport_file_obj(stdin); /* TODO: keep in global var -- in r7rs it is a parameter */
+  ac = iport_file_obj(stdin);
   gonexti();
 }
 
 define_instruction(sop) {
-  ac = oport_file_obj(stdout); /* TODO: keep in global var -- in r7rs it is a parameter */
+  ac = oport_file_obj(stdout);
   gonexti();
 }
 
 define_instruction(sep) {
-  ac = oport_file_obj(stderr); /* TODO: keep in global var -- in r7rs it is a parameter */
+  ac = oport_file_obj(stderr);
   gonexti();
 }
 
@@ -4616,6 +4671,11 @@ static obj *init_module(obj *r, obj *sp, obj *hp, const char **mod)
 /* partially hand-coded module (prototyped in i.scm) */
 char *i_code[] = {
 
+  /* initialize current port variables */
+  "C", 0,
+  "P10Pi!" "P11Po!" "P12Pe!",
+
+  /* internal continuation switch code */
   "P", "%dynamic-state-reroot!",
   "%1.0,,#0.0,&1{%1.0,yq~?{${.2d,:0^[01}.0ad,.1aa,y,.1,.3c,.1sa.3,.1sdf,."
   "4san,.4sd.3sy_1.0[30}]1}.!0.0^_1[11",
diff --git a/i.h b/i.h
index a7dbfb2..b632fee 100644
--- a/i.h
+++ b/i.h
@@ -467,12 +467,18 @@ declare_instruction(boolp,      "Y1",           0,  "boolean?",
 declare_instruction(boxp,       "Y2",           0,  "box?",                     '1', AUTOGL)
 declare_instruction(voidp,      "Y8",           0,  "void?",                    '1', AUTOGL)
 declare_instruction(void,       "Y9",           0,  "void",                     '0', AUTOGL)
+declare_instruction(cin,        "Pi",           0,  "%current-input-port",      '0', AUTOGL)
+declare_instruction(cout,       "Po",           0,  "%current-output-port",     '0', AUTOGL)
+declare_instruction(cerr,       "Pe",           0,  "%current-error-port",      '0', AUTOGL)
+declare_instruction(cinv,       "Pi!\0Y9",      0,  "current-input-port",       'u', AUTOGL)
+declare_instruction(coutv,      "Po!\0Y9",      0,  "current-output-port",      'u', AUTOGL)
+declare_instruction(cerrv,      "Pe!\0Y9",      0,  "current-error-port",       'u', AUTOGL)
 declare_instruction(funp,       "K0",           0,  "procedure?",               '1', AUTOGL)
 declare_instruction(ipp,        "P00",          0,  "input-port?",              '1', AUTOGL)
 declare_instruction(opp,        "P01",          0,  "output-port?",             '1', AUTOGL)
-declare_instruction(sip,        "P10",          0,  "current-input-port",       '0', AUTOGL)
-declare_instruction(sop,        "P11",          0,  "current-output-port",      '0', AUTOGL)
-declare_instruction(sep,        "P12",          0,  "current-error-port",       '0', AUTOGL)
+declare_instruction(sip,        "P10",          0,  "standard-input-port",      '0', AUTOGL)
+declare_instruction(sop,        "P11",          0,  "standard-output-port",     '0', AUTOGL)
+declare_instruction(sep,        "P12",          0,  "standard-error-port",      '0', AUTOGL)
 declare_instruction(ipop,       "P20",          0,  "input-port-open?",         '1', AUTOGL)
 declare_instruction(opop,       "P21",          0,  "output-port-open?",        '1', AUTOGL)
 declare_instruction(oif,        "P40",          0,  "%open-input-file",         '1', AUTOGL)
@@ -488,23 +494,23 @@ declare_instruction(cop,        "P61",          0,  "close-output-port",
 declare_instruction(fop,        "P71",          0,  "flush-output-port",        '1', AUTOGL)
 declare_instruction(gos,        "P90",          0,  "get-output-string",        '1', AUTOGL)
 declare_instruction(gob,        "P91",          0,  "get-output-bytevector",    '1', AUTOGL)
-declare_instruction(rdc,        "R0\0P10",      0,  "read-char",                'u', AUTOGL)
-declare_instruction(rdac,       "R1\0P10",      0,  "peek-char",                'u', AUTOGL)
-declare_instruction(rdcr,       "R2\0P10",      0,  "char-ready?",              'u', AUTOGL)
-declare_instruction(rd8,        "R3\0P10",      0,  "read-u8",                  'u', AUTOGL)
-declare_instruction(rda8,       "R4\0P10",      0,  "peek-u8",                  'u', AUTOGL)
-declare_instruction(rd8r,       "R5\0P10",      0,  "u8-ready?",                'u', AUTOGL)
+declare_instruction(rdc,        "R0\0Pi",       0,  "read-char",                'u', AUTOGL)
+declare_instruction(rdac,       "R1\0Pi",       0,  "peek-char",                'u', AUTOGL)
+declare_instruction(rdcr,       "R2\0Pi",       0,  "char-ready?",              'u', AUTOGL)
+declare_instruction(rd8,        "R3\0Pi",       0,  "read-u8",                  'u', AUTOGL)
+declare_instruction(rda8,       "R4\0Pi",       0,  "peek-u8",                  'u', AUTOGL)
+declare_instruction(rd8r,       "R5\0Pi",       0,  "u8-ready?",                'u', AUTOGL)
 declare_instruction(eofp,       "R8",           0,  "eof-object?",              '1', AUTOGL)
 declare_instruction(eof,        "R9",           0,  "eof-object",               '0', AUTOGL)
-declare_instruction(wrc,        "W0\0P11",      0,  "write-char",               'b', AUTOGL)
+declare_instruction(wrc,        "W0\0Po",       0,  "write-char",               'b', AUTOGL)
 declare_instruction(wrs,        "W1",           0,  "%write-string1",           '2', AUTOGL)
-declare_instruction(wr8,        "W2\0P11",      0,  "write-u8",                 'b', AUTOGL)
+declare_instruction(wr8,        "W2\0Po",       0,  "write-u8",                 'b', AUTOGL)
 declare_instruction(wrb,        "W3",           0,  "%write-bytevector1",       '2', AUTOGL)
-declare_instruction(wrcd,       "W4\0P11",      0,  "display",                  'b', AUTOGL)
-declare_instruction(wrcw,       "W5\0P11",      0,  "write",                    'b', AUTOGL)
-declare_instruction(wrnl,       "W6\0P11",      0,  "newline",                  'u', AUTOGL)
-declare_instruction(wrhw,       "W7\0P11",      0,  "write-shared",             'b', AUTOGL)
-declare_instruction(wriw,       "W8\0P11",      0,  "write-simple",             'b', AUTOGL)
+declare_instruction(wrcd,       "W4\0Po",       0,  "display",                  'b', AUTOGL)
+declare_instruction(wrcw,       "W5\0Po",       0,  "write",                    'b', AUTOGL)
+declare_instruction(wrnl,       "W6\0Po",       0,  "newline",                  'u', AUTOGL)
+declare_instruction(wrhw,       "W7\0Po",       0,  "write-shared",             'b', AUTOGL)
+declare_instruction(wriw,       "W8\0Po",       0,  "write-simple",             'b', AUTOGL)
 declare_instruction(fexis,      "F0",           0,  "file-exists?",             '1', AUTOGL)
 declare_instruction(frem,       "F1",           0,  "delete-file",              '1', AUTOGL)
 declare_instruction(fren,       "F2",           0,  "rename-file",              '2', AUTOGL)
diff --git a/k.c b/k.c
index c4794f9..9fb27ea 100644
--- a/k.c
+++ b/k.c
@@ -451,6 +451,9 @@ obj cx__25residual_2Dfind_2Dtop_2Dbinding; /* %residual-find-top-binding */
 obj cx__25residual_2Dmake_2Dbinding; /* %residual-make-binding */
 obj cx__25residual_2Dval_2Dcore_3F; /* %residual-val-core? */
 obj cx__25residual_2Dval_2Dspecial_3F; /* %residual-val-special? */
+obj cx__2Acurrent_2Derror_2A; /* *current-error* */
+obj cx__2Acurrent_2Dinput_2A; /* *current-input* */
+obj cx__2Acurrent_2Doutput_2A; /* *current-output* */
 obj cx__2Adynamic_2Dstate_2A; /* *dynamic-state* */
 obj cx__2Aglobals_2A; /* *globals* */
 obj cx__2Ahide_2Drefs_2A; /* *hide-refs* */
@@ -581,57 +584,57 @@ static obj cx__231251; /* constant #1251 */
 static obj cx__231315; /* constant #1315 */
 static obj cx__231763; /* constant #1763 */
 static obj cx__231823; /* constant #1823 */
-static obj cx__231903; /* constant #1903 */
-static obj cx__231948; /* constant #1948 */
-static obj cx__232041; /* constant #2041 */
-static obj cx__232062; /* constant #2062 */
-static obj cx__232409; /* constant #2409 */
-static obj cx__232716; /* constant #2716 */
-static obj cx__232881; /* constant #2881 */
-static obj cx__233019; /* constant #3019 */
-static obj cx__233024; /* constant #3024 */
-static obj cx__233028; /* constant #3028 */
-static obj cx__233052; /* constant #3052 */
-static obj cx__233053; /* constant #3053 */
-static obj cx__233062; /* constant #3062 */
-static obj cx__233063; /* constant #3063 */
-static obj cx__233074; /* constant #3074 */
-static obj cx__233097; /* constant #3097 */
-static obj cx__233166; /* constant #3166 */
-static obj cx__233170; /* constant #3170 */
-static obj cx__233292; /* constant #3292 */
-static obj cx__233334; /* constant #3334 */
+static obj cx__231906; /* constant #1906 */
+static obj cx__231951; /* constant #1951 */
+static obj cx__232044; /* constant #2044 */
+static obj cx__232065; /* constant #2065 */
+static obj cx__232412; /* constant #2412 */
+static obj cx__232719; /* constant #2719 */
+static obj cx__232884; /* constant #2884 */
+static obj cx__233022; /* constant #3022 */
+static obj cx__233027; /* constant #3027 */
+static obj cx__233031; /* constant #3031 */
+static obj cx__233055; /* constant #3055 */
+static obj cx__233056; /* constant #3056 */
+static obj cx__233065; /* constant #3065 */
+static obj cx__233066; /* constant #3066 */
+static obj cx__233077; /* constant #3077 */
+static obj cx__233100; /* constant #3100 */
+static obj cx__233169; /* constant #3169 */
+static obj cx__233173; /* constant #3173 */
+static obj cx__233295; /* constant #3295 */
+static obj cx__233337; /* constant #3337 */
 static obj cx__23334; /* constant #334 */
-static obj cx__233342; /* constant #3342 */
-static obj cx__233343; /* constant #3343 */
-static obj cx__233344; /* constant #3344 */
 static obj cx__233345; /* constant #3345 */
 static obj cx__233346; /* constant #3346 */
-static obj cx__233369; /* constant #3369 */
-static obj cx__233373; /* constant #3373 */
-static obj cx__233643; /* constant #3643 */
-static obj cx__233845; /* constant #3845 */
+static obj cx__233347; /* constant #3347 */
+static obj cx__233348; /* constant #3348 */
+static obj cx__233349; /* constant #3349 */
+static obj cx__233372; /* constant #3372 */
+static obj cx__233376; /* constant #3376 */
+static obj cx__233646; /* constant #3646 */
+static obj cx__233848; /* constant #3848 */
 static obj cx__23424; /* constant #424 */
-static obj cx__234247; /* constant #4247 */
-static obj cx__234377; /* constant #4377 */
+static obj cx__234250; /* constant #4250 */
+static obj cx__234380; /* constant #4380 */
 static obj cx__23474; /* constant #474 */
-static obj cx__234785; /* constant #4785 */
-static obj cx__234809; /* constant #4809 */
-static obj cx__234810; /* constant #4810 */
+static obj cx__234788; /* constant #4788 */
+static obj cx__234812; /* constant #4812 */
+static obj cx__234813; /* constant #4813 */
 static obj cx__23484; /* constant #484 */
-static obj cx__234866; /* constant #4866 */
-static obj cx__234873; /* constant #4873 */
-static obj cx__234880; /* constant #4880 */
-static obj cx__234882; /* constant #4882 */
-static obj cx__234938; /* constant #4938 */
-static obj cx__234969; /* constant #4969 */
-static obj cx__234974; /* constant #4974 */
-static obj cx__234975; /* constant #4975 */
-static obj cx__234993; /* constant #4993 */
+static obj cx__234869; /* constant #4869 */
+static obj cx__234876; /* constant #4876 */
+static obj cx__234883; /* constant #4883 */
+static obj cx__234885; /* constant #4885 */
+static obj cx__234941; /* constant #4941 */
+static obj cx__234972; /* constant #4972 */
+static obj cx__234977; /* constant #4977 */
+static obj cx__234978; /* constant #4978 */
 static obj cx__234996; /* constant #4996 */
-static obj cx__235002; /* constant #5002 */
-static obj cx__235010; /* constant #5010 */
-static obj cx__235018; /* constant #5018 */
+static obj cx__234999; /* constant #4999 */
+static obj cx__235005; /* constant #5005 */
+static obj cx__235013; /* constant #5013 */
+static obj cx__235021; /* constant #5021 */
 static obj cx__23509; /* constant #509 */
 static obj cx__23517; /* constant #517 */
 static obj cx__23527; /* constant #527 */
@@ -660,11 +663,11 @@ static obj cxs_set_2Dmember_3F(obj v2_x, obj v1_s)
     return obj_from_bool(1);
   } else {
   { /* let */
-    obj v5442_tmp = (cdr((v1_s)));
-    obj v5441_tmp = (v2_x);
+    obj v5451_tmp = (cdr((v1_s)));
+    obj v5450_tmp = (v2_x);
     /* tail call */
-    v2_x = (v5441_tmp);
-    v1_s = (v5442_tmp);
+    v2_x = (v5450_tmp);
+    v1_s = (v5451_tmp);
     goto s_set_2Dmember_3F;
   }
   }
@@ -685,18 +688,18 @@ static obj cxs_syntax_2Dmatch_3F(obj v41_pat, obj v40_exp)
   } else {
   if ((ispair((v41_pat)))) {
   { /* let */
-    obj v5435_tmp;
+    obj v5444_tmp;
   { /* let */
-    obj v5439_tmp;
+    obj v5448_tmp;
   { /* let */
-    obj v5440_tmp;
+    obj v5449_tmp;
     { static obj o = 0; static char s[] = { 36, 0 };
-    v5440_tmp = (o ? o : (o = mksymbol(internsym(s)))); };
-    v5439_tmp = obj_from_bool((car((v41_pat))) == (v5440_tmp));
+    v5449_tmp = (o ? o : (o = mksymbol(internsym(s)))); };
+    v5448_tmp = obj_from_bool((car((v41_pat))) == (v5449_tmp));
   }
-    v5435_tmp = (bool_from_obj(v5439_tmp) ? ((ispair((cdr((v41_pat))))) ? obj_from_bool(isnull((cdr((cdr((v41_pat))))))) : obj_from_bool(0)) : obj_from_bool(0));
+    v5444_tmp = (bool_from_obj(v5448_tmp) ? ((ispair((cdr((v41_pat))))) ? obj_from_bool(isnull((cdr((cdr((v41_pat))))))) : obj_from_bool(0)) : obj_from_bool(0));
   }
-  if (bool_from_obj(v5435_tmp)) {
+  if (bool_from_obj(v5444_tmp)) {
     return obj_from_bool((v40_exp) == (car((cdr((v41_pat))))));
   } else {
   if (bool_from_obj((ispair((cdr((v41_pat))))) ? (((car((cdr((v41_pat))))) == (mksymbol(internsym("...")))) ? obj_from_bool(isnull((cdr((cdr((v41_pat))))))) : obj_from_bool(0)) : obj_from_bool(0))) {
@@ -714,9 +717,9 @@ static obj cxs_syntax_2Dmatch_3F(obj v41_pat, obj v40_exp)
   if ((ispair((v58_lst)))) {
   if (bool_from_obj(cxs_syntax_2Dmatch_3F((v56_pat), (car((v58_lst)))))) {
   { /* let */
-    obj v5438_tmp = (cdr((v58_lst)));
+    obj v5447_tmp = (cdr((v58_lst)));
     /* tail call */
-    v58_lst = (v5438_tmp);
+    v58_lst = (v5447_tmp);
     goto s_f;
   }
   } else {
@@ -732,11 +735,11 @@ static obj cxs_syntax_2Dmatch_3F(obj v41_pat, obj v40_exp)
   if ((ispair((v40_exp)))) {
   if (bool_from_obj(cxs_syntax_2Dmatch_3F((car((v41_pat))), (car((v40_exp)))))) {
   { /* let */
-    obj v5437_tmp = (cdr((v40_exp)));
-    obj v5436_tmp = (cdr((v41_pat)));
+    obj v5446_tmp = (cdr((v40_exp)));
+    obj v5445_tmp = (cdr((v41_pat)));
     /* tail call */
-    v41_pat = (v5436_tmp);
-    v40_exp = (v5437_tmp);
+    v41_pat = (v5445_tmp);
+    v40_exp = (v5446_tmp);
     goto s_syntax_2Dmatch_3F;
   }
   } else {
@@ -763,11 +766,11 @@ static obj cxs_posq(obj v117_x, obj v116_l)
     obj v120_l;
     obj v119_n;
   { /* let */
-    obj v5434_tmp = obj_from_fixnum(+0);
-    obj v5433_tmp = (v116_l);
+    obj v5443_tmp = obj_from_fixnum(+0);
+    obj v5442_tmp = (v116_l);
     /* tail call */
-    v120_l = (v5433_tmp);
-    v119_n = (v5434_tmp);
+    v120_l = (v5442_tmp);
+    v119_n = (v5443_tmp);
     goto s_loop;
   }
   s_loop:
@@ -778,11 +781,11 @@ static obj cxs_posq(obj v117_x, obj v116_l)
     return (v119_n);
   } else {
   { /* let */
-    obj v5432_tmp = obj_from_fixnum(fxadd(fixnum_from_obj(v119_n), (+1)));
-    obj v5431_tmp = (cdr((v120_l)));
+    obj v5441_tmp = obj_from_fixnum(fxadd(fixnum_from_obj(v119_n), (+1)));
+    obj v5440_tmp = (cdr((v120_l)));
     /* tail call */
-    v120_l = (v5431_tmp);
-    v119_n = (v5432_tmp);
+    v120_l = (v5440_tmp);
+    v119_n = (v5441_tmp);
     goto s_loop;
   }
   }
@@ -834,6 +837,9 @@ static obj cxs_den_2D_3Esym(obj v297_den)
 
 /* gc roots */
 static obj *globv[] = {
+  &cx__2Acurrent_2Derror_2A,
+  &cx__2Acurrent_2Dinput_2A,
+  &cx__2Acurrent_2Doutput_2A,
   &cx__2Adynamic_2Dstate_2A,
   &cx__2Aglobals_2A,
   &cx__2Ahide_2Drefs_2A,
@@ -876,57 +882,57 @@ static obj *globv[] = {
   &cx__231315,
   &cx__231763,
   &cx__231823,
-  &cx__231903,
-  &cx__231948,
-  &cx__232041,
-  &cx__232062,
-  &cx__232409,
-  &cx__232716,
-  &cx__232881,
-  &cx__233019,
-  &cx__233024,
-  &cx__233028,
-  &cx__233052,
-  &cx__233053,
-  &cx__233062,
-  &cx__233063,
-  &cx__233074,
-  &cx__233097,
-  &cx__233166,
-  &cx__233170,
-  &cx__233292,
-  &cx__233334,
+  &cx__231906,
+  &cx__231951,
+  &cx__232044,
+  &cx__232065,
+  &cx__232412,
+  &cx__232719,
+  &cx__232884,
+  &cx__233022,
+  &cx__233027,
+  &cx__233031,
+  &cx__233055,
+  &cx__233056,
+  &cx__233065,
+  &cx__233066,
+  &cx__233077,
+  &cx__233100,
+  &cx__233169,
+  &cx__233173,
+  &cx__233295,
+  &cx__233337,
   &cx__23334,
-  &cx__233342,
-  &cx__233343,
-  &cx__233344,
   &cx__233345,
   &cx__233346,
-  &cx__233369,
-  &cx__233373,
-  &cx__233643,
-  &cx__233845,
+  &cx__233347,
+  &cx__233348,
+  &cx__233349,
+  &cx__233372,
+  &cx__233376,
+  &cx__233646,
+  &cx__233848,
   &cx__23424,
-  &cx__234247,
-  &cx__234377,
+  &cx__234250,
+  &cx__234380,
   &cx__23474,
-  &cx__234785,
-  &cx__234809,
-  &cx__234810,
+  &cx__234788,
+  &cx__234812,
+  &cx__234813,
   &cx__23484,
-  &cx__234866,
-  &cx__234873,
-  &cx__234880,
-  &cx__234882,
-  &cx__234938,
-  &cx__234969,
-  &cx__234974,
-  &cx__234975,
-  &cx__234993,
+  &cx__234869,
+  &cx__234876,
+  &cx__234883,
+  &cx__234885,
+  &cx__234941,
+  &cx__234972,
+  &cx__234977,
+  &cx__234978,
   &cx__234996,
-  &cx__235002,
-  &cx__235010,
-  &cx__235018,
+  &cx__234999,
+  &cx__235005,
+  &cx__235013,
+  &cx__235021,
   &cx__23509,
   &cx__23517,
   &cx__23527,
@@ -1309,11 +1315,11 @@ case 0: /* load module */
     *--hp = r[1];  
     *--hp = obj_from_size(PAIR_BTAG); 
     cx__231823 = (hendblk(3)); }
-    cx__231903 = (hpushstr(0, newstring("compiler: ")));
-    cx__231948 = (hpushstr(0, newstring("cannot encode literal")));
-    cx__232041 = (hpushstr(0, newstring("0123456789")));
-    cx__232062 = (hpushstr(0, newstring("misplaced define form")));
-    cx__232409 = (hpushstr(0, newstring("unsupported integrable type")));
+    cx__231906 = (hpushstr(0, newstring("compiler: ")));
+    cx__231951 = (hpushstr(0, newstring("cannot encode literal")));
+    cx__232044 = (hpushstr(0, newstring("0123456789")));
+    cx__232065 = (hpushstr(0, newstring("misplaced define form")));
+    cx__232412 = (hpushstr(0, newstring("unsupported integrable type")));
     { /* cons */ 
     hreserve(hbsz(3), 0); /* 0 live regs */
     *--hp = (mknull());
@@ -1331,33 +1337,33 @@ case 0: /* load module */
     *--hp = r[0];  
     *--hp = (mksymbol(internsym("quote")));
     *--hp = obj_from_size(PAIR_BTAG); 
-    cx__232716 = (hendblk(3)); }
+    cx__232719 = (hendblk(3)); }
     { /* cons */ 
     hreserve(hbsz(3), 0); /* 0 live regs */
     *--hp = (mknull());
     *--hp = (mksymbol(internsym("begin")));
     *--hp = obj_from_size(PAIR_BTAG); 
-    cx__232881 = (hendblk(3)); }
+    cx__232884 = (hendblk(3)); }
     { static char s[] = { 34, 10, 0 };
-    cx__233019 = (hpushstr(0, newstring(s))); }
+    cx__233022 = (hpushstr(0, newstring(s))); }
     { static char s[] = { 32, 32, 34, 0 };
-    cx__233024 = (hpushstr(0, newstring(s))); }
+    cx__233027 = (hpushstr(0, newstring(s))); }
     { static char s[] = { 34, 44, 0 };
-    cx__233028 = (hpushstr(0, newstring(s))); }
+    cx__233031 = (hpushstr(0, newstring(s))); }
     { static char s[] = { 34, 44, 10, 0 };
-    cx__233052 = (hpushstr(0, newstring(s))); }
+    cx__233055 = (hpushstr(0, newstring(s))); }
     { static char s[] = { 32, 32, 34, 83, 34, 44, 32, 34, 0 };
-    cx__233053 = (hpushstr(0, newstring(s))); }
+    cx__233056 = (hpushstr(0, newstring(s))); }
     { static char s[] = { 32, 34, 0 };
-    cx__233062 = (hpushstr(0, newstring(s))); }
+    cx__233065 = (hpushstr(0, newstring(s))); }
     { static char s[] = { 32, 32, 34, 65, 34, 44, 32, 34, 0 };
-    cx__233063 = (hpushstr(0, newstring(s))); }
+    cx__233066 = (hpushstr(0, newstring(s))); }
     { static char s[] = { 32, 32, 34, 67, 34, 44, 32, 48, 44, 10, 0 };
-    cx__233074 = (hpushstr(0, newstring(s))); }
+    cx__233077 = (hpushstr(0, newstring(s))); }
     { static char s[] = { 32, 32, 34, 80, 34, 44, 32, 34, 0 };
-    cx__233097 = (hpushstr(0, newstring(s))); }
-    cx__233166 = (hpushstr(0, newstring("r")));
-    cx__233170 = (hpushstr(0, newstring("cannot open input file")));
+    cx__233100 = (hpushstr(0, newstring(s))); }
+    cx__233169 = (hpushstr(0, newstring("r")));
+    cx__233173 = (hpushstr(0, newstring("cannot open input file")));
     { /* cons */ 
     hreserve(hbsz(3), 0); /* 0 live regs */
     *--hp = (mknull());
@@ -1375,15 +1381,15 @@ case 0: /* load module */
     *--hp = r[0];  
     *--hp = obj_from_char(92);
     *--hp = obj_from_size(PAIR_BTAG); 
-    cx__233292 = (hendblk(3)); }
+    cx__233295 = (hendblk(3)); }
     { static char s[] = { 10, 32, 32, 48, 44, 32, 48, 44, 32, 48, 10, 125, 59, 10, 0 };
-    cx__233334 = (hpushstr(0, newstring(s))); }
-    cx__233342 = (hpushstr(0, newstring("_code[] = {")));
-    cx__233343 = (hpushstr(0, newstring("char *")));
-    cx__233344 = (hpushstr(0, newstring(" */")));
-    cx__233345 = (hpushstr(0, newstring(".c -- generated via skint -c ")));
-    cx__233346 = (hpushstr(0, newstring("/* ")));
-    cx__233369 = (hpushstr(0, newstring("K5")));
+    cx__233337 = (hpushstr(0, newstring(s))); }
+    cx__233345 = (hpushstr(0, newstring("_code[] = {")));
+    cx__233346 = (hpushstr(0, newstring("char *")));
+    cx__233347 = (hpushstr(0, newstring(" */")));
+    cx__233348 = (hpushstr(0, newstring(".c -- generated via skint -c ")));
+    cx__233349 = (hpushstr(0, newstring("/* ")));
+    cx__233372 = (hpushstr(0, newstring("K5")));
     { /* cons */ 
     hreserve(hbsz(3), 0); /* 0 live regs */
     *--hp = (mknull());
@@ -2199,7 +2205,7 @@ case 0: /* load module */
     *--hp = r[0];  
     *--hp = (mksymbol(internsym("let")));
     *--hp = obj_from_size(PAIR_BTAG); 
-    cx__233373 = (hendblk(3)); }
+    cx__233376 = (hendblk(3)); }
     { /* cons */ 
     hreserve(hbsz(3), 0); /* 0 live regs */
     *--hp = (mknull());
@@ -2799,7 +2805,7 @@ case 0: /* load module */
     *--hp = r[0];  
     *--hp = (mksymbol(internsym("let")));
     *--hp = obj_from_size(PAIR_BTAG); 
-    cx__233643 = (hendblk(3)); }
+    cx__233646 = (hendblk(3)); }
     { /* cons */ 
     hreserve(hbsz(3), 0); /* 0 live regs */
     *--hp = (mknull());
@@ -3999,7 +4005,7 @@ case 0: /* load module */
     *--hp = r[0];  
     *--hp = (mksymbol(internsym("let")));
     *--hp = obj_from_size(PAIR_BTAG); 
-    cx__233845 = (hendblk(3)); }
+    cx__233848 = (hendblk(3)); }
     { /* cons */ 
     hreserve(hbsz(3), 0); /* 0 live regs */
     *--hp = (mknull());
@@ -4383,7 +4389,7 @@ case 0: /* load module */
     *--hp = r[0];  
     *--hp = (mksymbol(internsym("let")));
     *--hp = obj_from_size(PAIR_BTAG); 
-    cx__234247 = (hendblk(3)); }
+    cx__234250 = (hendblk(3)); }
     { /* cons */ 
     hreserve(hbsz(3), 0); /* 0 live regs */
     *--hp = (mknull());
@@ -5523,16 +5529,16 @@ case 0: /* load module */
     *--hp = r[0];  
     *--hp = (mksymbol(internsym("let")));
     *--hp = obj_from_size(PAIR_BTAG); 
-    cx__234377 = (hendblk(3)); }
-    cx__234785 = (hpushstr(0, newstring(" ms.")));
-    cx__234809 = (hpushstr(0, newstring("Elapsed time: ")));
-    cx__234810 = (hpushstr(0, newstring("Running tests ...")));
-    cx__234866 = (hpushstr(0, newstring("DECODE+EXECUTE =>")));
-    cx__234873 = (hpushstr(0, newstring("COMPILE-TO-STRING =>")));
-    cx__234880 = (hpushstr(0, newstring("unexpected transformed output")));
-    cx__234882 = (hpushstr(0, newstring("TRANSFORM =>")));
+    cx__234380 = (hendblk(3)); }
+    cx__234788 = (hpushstr(0, newstring(" ms.")));
+    cx__234812 = (hpushstr(0, newstring("Elapsed time: ")));
+    cx__234813 = (hpushstr(0, newstring("Running tests ...")));
+    cx__234869 = (hpushstr(0, newstring("DECODE+EXECUTE =>")));
+    cx__234876 = (hpushstr(0, newstring("COMPILE-TO-STRING =>")));
+    cx__234883 = (hpushstr(0, newstring("unexpected transformed output")));
+    cx__234885 = (hpushstr(0, newstring("TRANSFORM =>")));
     { static char s[] = { 10, 115, 107, 105, 110, 116, 62, 32, 0 };
-    cx__234938 = (hpushstr(0, newstring(s))); }
+    cx__234941 = (hpushstr(0, newstring(s))); }
     { /* cons */ 
     hreserve(hbsz(3), 0); /* 0 live regs */
     *--hp = (mknull());
@@ -5544,8 +5550,8 @@ case 0: /* load module */
     *--hp = r[0];  
     *--hp = (mksymbol(internsym("main")));
     *--hp = obj_from_size(PAIR_BTAG); 
-    cx__234969 = (hendblk(3)); }
-    cx__234974 = (hpushstr(0, newstring("unexpected benchmark file format")));
+    cx__234972 = (hendblk(3)); }
+    cx__234977 = (hpushstr(0, newstring("unexpected benchmark file format")));
     r[0] = (hpushstr(0, newstring("libl.sf")));
     { /* cons */ 
     hreserve(hbsz(3), 1); /* 1 live regs */
@@ -5558,21 +5564,21 @@ case 0: /* load module */
     *--hp = r[0];  
     *--hp = (mksymbol(internsym("load")));
     *--hp = obj_from_size(PAIR_BTAG); 
-    cx__234975 = (hendblk(3)); }
+    cx__234978 = (hendblk(3)); }
     r[0] = (hpushstr(0, newstring("-v")));
     { /* cons */ 
     hreserve(hbsz(3), 1); /* 1 live regs */
     *--hp = (mknull());
     *--hp = r[0];  
     *--hp = obj_from_size(PAIR_BTAG); 
-    cx__234993 = (hendblk(3)); }
+    cx__234996 = (hendblk(3)); }
     r[0] = (hpushstr(0, newstring("-t")));
     { /* cons */ 
     hreserve(hbsz(3), 1); /* 1 live regs */
     *--hp = (mknull());
     *--hp = r[0];  
     *--hp = obj_from_size(PAIR_BTAG); 
-    cx__234996 = (hendblk(3)); }
+    cx__234999 = (hendblk(3)); }
     { /* cons */ 
     hreserve(hbsz(3), 0); /* 0 live regs */
     *--hp = (mknull());
@@ -5585,7 +5591,7 @@ case 0: /* load module */
     *--hp = r[0];  
     *--hp = r[1];  
     *--hp = obj_from_size(PAIR_BTAG); 
-    cx__235002 = (hendblk(3)); }
+    cx__235005 = (hendblk(3)); }
     { /* cons */ 
     hreserve(hbsz(3), 0); /* 0 live regs */
     *--hp = (mknull());
@@ -5598,7 +5604,7 @@ case 0: /* load module */
     *--hp = r[0];  
     *--hp = r[1];  
     *--hp = obj_from_size(PAIR_BTAG); 
-    cx__235010 = (hendblk(3)); }
+    cx__235013 = (hendblk(3)); }
     { /* cons */ 
     hreserve(hbsz(3), 0); /* 0 live regs */
     *--hp = (mknull());
@@ -5611,7 +5617,7 @@ case 0: /* load module */
     *--hp = r[0];  
     *--hp = r[1];  
     *--hp = obj_from_size(PAIR_BTAG); 
-    cx__235018 = (hendblk(3)); }
+    cx__235021 = (hendblk(3)); }
     { static obj c[] = { obj_from_case(1) }; cx_set_2Dmember_3F = (obj)c; }
     { static obj c[] = { obj_from_case(2) }; cx_set_2Dcons = (obj)c; }
     { static obj c[] = { obj_from_case(3) }; cx_set_2Dunion = (obj)c; }
@@ -6526,16 +6532,16 @@ gs_normalize_2Darity: /* k arity */
     r[2+2] = r[1];  
     r += 2; /* shift reg wnd */
     rreserve(MAX_HOSTREGS);
-    goto s_loop_v13968;
+    goto s_loop_v13986;
   }
 
-s_loop_v13968: /* k cnt l */
+s_loop_v13986: /* k cnt l */
   if ((ispair((r[2])))) {
     r[3] = (cdr((r[2])));
     /* r[0] */    
     r[1] = obj_from_fixnum(fxadd((+1), fixnum_from_obj(r[1])));
     r[2] = r[3];  
-    goto s_loop_v13968;
+    goto s_loop_v13986;
   } else {
   if ((isnull((r[2])))) {
     { /* cons */ 
@@ -6593,10 +6599,10 @@ gs_flatten_2Didslist: /* k ilist */
     r[2+2] = (mknull());
     r += 2; /* shift reg wnd */
     rreserve(MAX_HOSTREGS);
-    goto s_loop_v13955;
+    goto s_loop_v13973;
   }
 
-s_loop_v13955: /* k l r */
+s_loop_v13973: /* k l r */
   if ((ispair((r[1])))) {
     r[3] = (cdr((r[1])));
     r[4] = (car((r[1])));
@@ -6609,7 +6615,7 @@ s_loop_v13955: /* k l r */
     /* r[0] */    
     r[1] = r[3];  
     r[2] = r[4];  
-    goto s_loop_v13955;
+    goto s_loop_v13973;
   } else {
   if ((isnull((r[1])))) {
     { /* reverse! */
@@ -7548,7 +7554,7 @@ s_conv: /* k sexp */
     r[0] = r[4];  
     r[1] = r[3];  
     /* r[2] */    
-    goto s_loop_v13684;
+    goto s_loop_v13702;
   } else {
     r[3+0] = r[0];  
     pc = objptr_from_obj(r[3+0])[0];
@@ -7605,7 +7611,7 @@ case 65: /* clo ek r */
     rc = 3;
     goto jump;
 
-s_loop_v13684: /* k l conv */
+s_loop_v13702: /* k l conv */
   if ((ispair((r[1])))) {
     r[3] = (cdr((r[1])));
     hreserve(hbsz(3+1), 4); /* 4 live regs */
@@ -7617,7 +7623,7 @@ s_loop_v13684: /* k l conv */
     r[0] = r[4];  
     r[1] = r[3];  
     /* r[2] */    
-    goto s_loop_v13684;
+    goto s_loop_v13702;
   } else {
     /* r[0] */    
     pc = objptr_from_obj(r[0])[0];
@@ -7677,13 +7683,13 @@ case 68: /* clo ek r */
     r[1+2] = p[1]; }
     r += 1; /* shift reg. wnd */
     /* ek r k */
-    { fixnum_t v14238_tmp;
+    { fixnum_t v14256_tmp;
     { /* length */
     int n; obj l = r[1];  
     for (n = 0; l != mknull(); ++n, l = cdr(l)) ;
-    v14238_tmp = (n); }
+    v14256_tmp = (n); }
     { /* list->vector */
-    obj l; int i, c = (v14238_tmp);
+    obj l; int i, c = (v14256_tmp);
     hreserve(hbsz(c+1), 3); /* 3 live regs */
     l = r[1];   /* gc-safe */
     for (i = 0; i < c; ++i, l = cdr(l)) hp[i-c] = car(l);
@@ -7867,9 +7873,9 @@ gs_xform_2Dsyntax_2Derror: /* k tail env */
     r[3] = (hendblk(2+1));
     r[0] = r[3];  
     /* r[1] */    
-    goto s_loop_v13616;
+    goto s_loop_v13634;
 
-s_loop_v13616: /* k l */
+s_loop_v13634: /* k l */
   if ((ispair((r[1])))) {
     r[2] = (cdr((r[1])));
     hreserve(hbsz(2+1), 3); /* 3 live regs */
@@ -7879,7 +7885,7 @@ s_loop_v13616: /* k l */
     r[3] = (hendblk(2+1));
     r[0] = r[3];  
     r[1] = r[2];  
-    goto s_loop_v13616;
+    goto s_loop_v13634;
   } else {
     r[2+0] = r[0];  
     pc = objptr_from_obj(r[2+0])[0];
@@ -8250,7 +8256,7 @@ gs_xform_2Dbegin: /* k tail env */
     r[0] = r[3];  
     /* r[1] */    
     /* r[2] */    
-    goto s_loop_v13551;
+    goto s_loop_v13569;
   } else {
     { /* cons */ 
     hreserve(hbsz(3), 3); /* 3 live regs */
@@ -8269,7 +8275,7 @@ gs_xform_2Dbegin: /* k tail env */
     goto jump;
   }
 
-s_loop_v13551: /* k l env */
+s_loop_v13569: /* k l env */
   if ((ispair((r[1])))) {
     r[3] = (cdr((r[1])));
     hreserve(hbsz(3+1), 4); /* 4 live regs */
@@ -8281,7 +8287,7 @@ s_loop_v13551: /* k l env */
     r[0] = r[4];  
     r[1] = r[3];  
     /* r[2] */    
-    goto s_loop_v13551;
+    goto s_loop_v13569;
   } else {
     /* r[0] */    
     pc = objptr_from_obj(r[0])[0];
@@ -8379,7 +8385,7 @@ gs_xform_2Dif: /* k tail env */
     r[0] = r[3];  
     /* r[1] */    
     /* r[2] */    
-    goto s_loop_v13520;
+    goto s_loop_v13538;
   } else {
     { /* cons */ 
     hreserve(hbsz(3), 3); /* 3 live regs */
@@ -8398,7 +8404,7 @@ gs_xform_2Dif: /* k tail env */
     goto jump;
   }
 
-s_loop_v13520: /* k l env */
+s_loop_v13538: /* k l env */
   if ((ispair((r[1])))) {
     r[3] = (cdr((r[1])));
     hreserve(hbsz(3+1), 4); /* 4 live regs */
@@ -8410,7 +8416,7 @@ s_loop_v13520: /* k l env */
     r[0] = r[4];  
     r[1] = r[3];  
     /* r[2] */    
-    goto s_loop_v13520;
+    goto s_loop_v13538;
   } else {
     /* r[0] */    
     pc = objptr_from_obj(r[0])[0];
@@ -8476,13 +8482,13 @@ case 90: /* clo ek r */
     for (n = 0; l != mknull(); ++n, l = cdr(l)) ;
     r[4] = obj_from_fixnum(n); }
   if (((((r[4]) == obj_from_fixnum(+2)) && ((r[4]) == obj_from_fixnum(+2))) && (1))) {
-    { fixnum_t v14237_tmp;
+    { fixnum_t v14255_tmp;
     { /* length */
     int n; obj l = r[1];  
     for (n = 0; l != mknull(); ++n, l = cdr(l)) ;
-    v14237_tmp = (n); }
+    v14255_tmp = (n); }
     { /* append */
-    obj t, l, o, *p, *d; int c = (v14237_tmp);
+    obj t, l, o, *p, *d; int c = (v14255_tmp);
     hreserve(hbsz(3)*c, 5); /* 5 live regs */
     l = r[1];   t = (cx__23650); /* gc-safe */
     o = t; p = &o; 
@@ -8553,7 +8559,7 @@ gs_xform_2Dcall: /* k xexp tail env */
     r[0] = r[4];  
     r[1] = r[2];  
     r[2] = r[3];  
-    goto s_loop_v13487;
+    goto s_loop_v13505;
   } else {
     { /* cons */ 
     hreserve(hbsz(3), 4); /* 4 live regs */
@@ -8572,7 +8578,7 @@ gs_xform_2Dcall: /* k xexp tail env */
     goto jump;
   }
 
-s_loop_v13487: /* k l env */
+s_loop_v13505: /* k l env */
   if ((ispair((r[1])))) {
     r[3] = (cdr((r[1])));
     hreserve(hbsz(3+1), 4); /* 4 live regs */
@@ -8584,7 +8590,7 @@ s_loop_v13487: /* k l env */
     r[0] = r[4];  
     r[1] = r[3];  
     /* r[2] */    
-    goto s_loop_v13487;
+    goto s_loop_v13505;
   } else {
     /* r[0] */    
     pc = objptr_from_obj(r[0])[0];
@@ -8690,79 +8696,79 @@ gs_integrable_2Dargc_2Dmatch_3F: /* k igt n */
   if ((is_fixnum_obj(r[2]))) {
     r[3] = obj_from_bool(fixnum_from_obj(r[2]) == (+0));
   } else {
-    { const flonum_t v14236_tmp = ((flonum_t)(+0));
-    r[3] = obj_from_bool(flonum_from_obj(r[2]) == (v14236_tmp)); } 
+    { const flonum_t v14254_tmp = ((flonum_t)(+0));
+    r[3] = obj_from_bool(flonum_from_obj(r[2]) == (v14254_tmp)); } 
   }
   } else {
   if (((((r[1]) == obj_from_char('1')) || ((is_flonum_obj(r[1])) && (0))) && (1))) {
   if ((is_fixnum_obj(r[2]))) {
     r[3] = obj_from_bool(fixnum_from_obj(r[2]) == (+1));
   } else {
-    { const flonum_t v14235_tmp = ((flonum_t)(+1));
-    r[3] = obj_from_bool(flonum_from_obj(r[2]) == (v14235_tmp)); } 
+    { const flonum_t v14253_tmp = ((flonum_t)(+1));
+    r[3] = obj_from_bool(flonum_from_obj(r[2]) == (v14253_tmp)); } 
   }
   } else {
   if (((((r[1]) == obj_from_char('2')) || ((is_flonum_obj(r[1])) && (0))) && (1))) {
   if ((is_fixnum_obj(r[2]))) {
     r[3] = obj_from_bool(fixnum_from_obj(r[2]) == (+2));
   } else {
-    { const flonum_t v14234_tmp = ((flonum_t)(+2));
-    r[3] = obj_from_bool(flonum_from_obj(r[2]) == (v14234_tmp)); } 
+    { const flonum_t v14252_tmp = ((flonum_t)(+2));
+    r[3] = obj_from_bool(flonum_from_obj(r[2]) == (v14252_tmp)); } 
   }
   } else {
   if (((((r[1]) == obj_from_char('3')) || ((is_flonum_obj(r[1])) && (0))) && (1))) {
   if ((is_fixnum_obj(r[2]))) {
     r[3] = obj_from_bool(fixnum_from_obj(r[2]) == (+3));
   } else {
-    { const flonum_t v14233_tmp = ((flonum_t)(+3));
-    r[3] = obj_from_bool(flonum_from_obj(r[2]) == (v14233_tmp)); } 
+    { const flonum_t v14251_tmp = ((flonum_t)(+3));
+    r[3] = obj_from_bool(flonum_from_obj(r[2]) == (v14251_tmp)); } 
   }
   } else {
   if (((((r[1]) == obj_from_char('p')) || ((is_flonum_obj(r[1])) && (0))) && (1))) {
   if ((is_fixnum_obj(r[2]))) {
     r[3] = obj_from_bool(fixnum_from_obj(r[2]) >= (+0));
   } else {
-    { const flonum_t v14232_tmp = ((flonum_t)(+0));
-    r[3] = obj_from_bool(flonum_from_obj(r[2]) >= (v14232_tmp)); } 
+    { const flonum_t v14250_tmp = ((flonum_t)(+0));
+    r[3] = obj_from_bool(flonum_from_obj(r[2]) >= (v14250_tmp)); } 
   }
   } else {
   if (((((r[1]) == obj_from_char('m')) || ((is_flonum_obj(r[1])) && (0))) && (1))) {
   if ((is_fixnum_obj(r[2]))) {
     r[3] = obj_from_bool(fixnum_from_obj(r[2]) >= (+1));
   } else {
-    { const flonum_t v14231_tmp = ((flonum_t)(+1));
-    r[3] = obj_from_bool(flonum_from_obj(r[2]) >= (v14231_tmp)); } 
+    { const flonum_t v14249_tmp = ((flonum_t)(+1));
+    r[3] = obj_from_bool(flonum_from_obj(r[2]) >= (v14249_tmp)); } 
   }
   } else {
   if (((((r[1]) == obj_from_char('c')) || ((is_flonum_obj(r[1])) && (0))) && (1))) {
   if ((is_fixnum_obj(r[2]))) {
     r[3] = obj_from_bool(fixnum_from_obj(r[2]) >= (+2));
   } else {
-    { const flonum_t v14230_tmp = ((flonum_t)(+2));
-    r[3] = obj_from_bool(flonum_from_obj(r[2]) >= (v14230_tmp)); } 
+    { const flonum_t v14248_tmp = ((flonum_t)(+2));
+    r[3] = obj_from_bool(flonum_from_obj(r[2]) >= (v14248_tmp)); } 
   }
   } else {
   if (((((r[1]) == obj_from_char('x')) || ((is_flonum_obj(r[1])) && (0))) && (1))) {
   if ((is_fixnum_obj(r[2]))) {
     r[3] = obj_from_bool(fixnum_from_obj(r[2]) >= (+1));
   } else {
-    { const flonum_t v14229_tmp = ((flonum_t)(+1));
-    r[3] = obj_from_bool(flonum_from_obj(r[2]) >= (v14229_tmp)); } 
+    { const flonum_t v14247_tmp = ((flonum_t)(+1));
+    r[3] = obj_from_bool(flonum_from_obj(r[2]) >= (v14247_tmp)); } 
   }
   } else {
   if (((((r[1]) == obj_from_char('u')) || ((is_flonum_obj(r[1])) && (0))) && (1))) {
   if ((is_fixnum_obj(r[2]))) {
     r[3] = obj_from_bool((+0) <= fixnum_from_obj(r[2]));
   } else {
-    { const flonum_t v14228_tmp = ((flonum_t)(+0));
-    r[3] = obj_from_bool((v14228_tmp) <= flonum_from_obj(r[2])); } 
+    { const flonum_t v14246_tmp = ((flonum_t)(+0));
+    r[3] = obj_from_bool((v14246_tmp) <= flonum_from_obj(r[2])); } 
   }
   if (bool_from_obj(r[3])) {
   if ((is_fixnum_obj(r[2]))) {
     r[3] = obj_from_bool(fixnum_from_obj(r[2]) <= (+1));
   } else {
-    { const flonum_t v14227_tmp = ((flonum_t)(+1));
-    r[3] = obj_from_bool(flonum_from_obj(r[2]) <= (v14227_tmp)); } 
+    { const flonum_t v14245_tmp = ((flonum_t)(+1));
+    r[3] = obj_from_bool(flonum_from_obj(r[2]) <= (v14245_tmp)); } 
   }
   } else {
     r[3] = obj_from_bool(0);
@@ -8772,15 +8778,15 @@ gs_integrable_2Dargc_2Dmatch_3F: /* k igt n */
   if ((is_fixnum_obj(r[2]))) {
     r[3] = obj_from_bool((+1) <= fixnum_from_obj(r[2]));
   } else {
-    { const flonum_t v14226_tmp = ((flonum_t)(+1));
-    r[3] = obj_from_bool((v14226_tmp) <= flonum_from_obj(r[2])); } 
+    { const flonum_t v14244_tmp = ((flonum_t)(+1));
+    r[3] = obj_from_bool((v14244_tmp) <= flonum_from_obj(r[2])); } 
   }
   if (bool_from_obj(r[3])) {
   if ((is_fixnum_obj(r[2]))) {
     r[3] = obj_from_bool(fixnum_from_obj(r[2]) <= (+2));
   } else {
-    { const flonum_t v14225_tmp = ((flonum_t)(+2));
-    r[3] = obj_from_bool(flonum_from_obj(r[2]) <= (v14225_tmp)); } 
+    { const flonum_t v14243_tmp = ((flonum_t)(+2));
+    r[3] = obj_from_bool(flonum_from_obj(r[2]) <= (v14243_tmp)); } 
   }
   } else {
     r[3] = obj_from_bool(0);
@@ -8790,15 +8796,15 @@ gs_integrable_2Dargc_2Dmatch_3F: /* k igt n */
   if ((is_fixnum_obj(r[2]))) {
     r[3] = obj_from_bool((+2) <= fixnum_from_obj(r[2]));
   } else {
-    { const flonum_t v14224_tmp = ((flonum_t)(+2));
-    r[3] = obj_from_bool((v14224_tmp) <= flonum_from_obj(r[2])); } 
+    { const flonum_t v14242_tmp = ((flonum_t)(+2));
+    r[3] = obj_from_bool((v14242_tmp) <= flonum_from_obj(r[2])); } 
   }
   if (bool_from_obj(r[3])) {
   if ((is_fixnum_obj(r[2]))) {
     r[3] = obj_from_bool(fixnum_from_obj(r[2]) <= (+3));
   } else {
-    { const flonum_t v14223_tmp = ((flonum_t)(+3));
-    r[3] = obj_from_bool(flonum_from_obj(r[2]) <= (v14223_tmp)); } 
+    { const flonum_t v14241_tmp = ((flonum_t)(+3));
+    r[3] = obj_from_bool(flonum_from_obj(r[2]) <= (v14241_tmp)); } 
   }
   } else {
     r[3] = obj_from_bool(0);
@@ -8808,8 +8814,8 @@ gs_integrable_2Dargc_2Dmatch_3F: /* k igt n */
   if ((is_fixnum_obj(r[2]))) {
     r[3] = obj_from_bool(fixnum_from_obj(r[2]) >= (+0));
   } else {
-    { const flonum_t v14222_tmp = ((flonum_t)(+0));
-    r[3] = obj_from_bool(flonum_from_obj(r[2]) >= (v14222_tmp)); } 
+    { const flonum_t v14240_tmp = ((flonum_t)(+0));
+    r[3] = obj_from_bool(flonum_from_obj(r[2]) >= (v14240_tmp)); } 
   }
   } else {
     r[3] = obj_from_bool(((((r[1]) == obj_from_char('@')) || ((is_flonum_obj(r[1])) && (0))) && (1)) && (0));
@@ -8900,7 +8906,7 @@ case 98: /* clo ek r */
     r[0] = r[6];  
     r[1] = r[3];  
     /* r[2] */    
-    goto s_loop_v13438;
+    goto s_loop_v13456;
   } else {
     { /* define integrable-global */
     static obj c[] = { obj_from_objptr(vmcases+11) };
@@ -8920,7 +8926,7 @@ case 98: /* clo ek r */
     goto jump;
   }
 
-s_loop_v13438: /* k l env */
+s_loop_v13456: /* k l env */
   if ((ispair((r[1])))) {
     r[3] = (cdr((r[1])));
     hreserve(hbsz(3+1), 4); /* 4 live regs */
@@ -8932,7 +8938,7 @@ s_loop_v13438: /* k l env */
     r[0] = r[4];  
     r[1] = r[3];  
     /* r[2] */    
-    goto s_loop_v13438;
+    goto s_loop_v13456;
   } else {
     /* r[0] */    
     pc = objptr_from_obj(r[0])[0];
@@ -9063,7 +9069,7 @@ gs_xform_2Dlambda: /* k tail env */
     r[4+4] = r[0];  
     r += 4; /* shift reg wnd */
     rreserve(MAX_HOSTREGS);
-    goto s_l_v13352;
+    goto s_l_v13370;
   }
 
 case 104: /* clo ek r */
@@ -9073,7 +9079,7 @@ case 104: /* clo ek r */
     r[1+3] = p[2];
     r[1+4] = p[3]; }
     r += 1; /* shift reg. wnd */
-s_l_v13352: /* ek r env tail k */
+s_l_v13370: /* ek r env tail k */
   if (bool_from_obj(r[1])) {
     r[5] = (car((r[3])));
     r[6+0] = r[4];  
@@ -9083,7 +9089,7 @@ s_l_v13352: /* ek r env tail k */
     r[6+4] = r[3];  
     r += 6; /* shift reg wnd */
     rreserve(MAX_HOSTREGS);
-    goto s_loop_v13353;
+    goto s_loop_v13371;
   } else {
     { /* cons */ 
     hreserve(hbsz(3), 5); /* 5 live regs */
@@ -9106,7 +9112,7 @@ case 105: /* clo k vars ienv ipars */
     { obj* p = objptr_from_obj(r[0]);
     r[1+4] = p[1]; }
     r += 1; /* shift reg. wnd */
-s_loop_v13353: /* k vars ienv ipars tail */
+s_loop_v13371: /* k vars ienv ipars tail */
   if ((ispair((r[1])))) {
     r[5] = (car((r[1])));
     hreserve(hbsz(1+1), 6); /* 6 live regs */
@@ -9247,13 +9253,13 @@ case 109: /* clo ek r */
     *--hp = r[1];  
     *--hp = obj_from_size(PAIR_BTAG); 
     r[4] = (hendblk(3)); }
-    { fixnum_t v14221_tmp;
+    { fixnum_t v14239_tmp;
     { /* length */
     int n; obj l = r[3];  
     for (n = 0; l != mknull(); ++n, l = cdr(l)) ;
-    v14221_tmp = (n); }
+    v14239_tmp = (n); }
     { /* reverse */
-    obj l, o = mknull(); int c = (v14221_tmp);
+    obj l, o = mknull(); int c = (v14239_tmp);
     hreserve(hbsz(3)*c, 5); /* 5 live regs */
     l = r[3];   /* gc-safe */
     for (; l != mknull(); l = cdr(l)) { *--hp = o; *--hp = car(l);
@@ -9367,25 +9373,25 @@ case 113: /* clo ek r */
     *--hp = r[1];  
     *--hp = obj_from_size(PAIR_BTAG); 
     r[5] = (hendblk(3)); }
-    { fixnum_t v14219_tmp;
+    { fixnum_t v14237_tmp;
     { /* length */
     int n; obj l = r[4];  
     for (n = 0; l != mknull(); ++n, l = cdr(l)) ;
-    v14219_tmp = (n); }
+    v14237_tmp = (n); }
     { /* reverse */
-    obj l, o = mknull(); int c = (v14219_tmp);
+    obj l, o = mknull(); int c = (v14237_tmp);
     hreserve(hbsz(3)*c, 6); /* 6 live regs */
     l = r[4];   /* gc-safe */
     for (; l != mknull(); l = cdr(l)) { *--hp = o; *--hp = car(l);
     *--hp = obj_from_size(PAIR_BTAG); o = hendblk(3); }  
     r[6] = (o); } }
-    { fixnum_t v14220_tmp;
+    { fixnum_t v14238_tmp;
     { /* length */
     int n; obj l = r[6];  
     for (n = 0; l != mknull(); ++n, l = cdr(l)) ;
-    v14220_tmp = (n); }
+    v14238_tmp = (n); }
     { /* append */
-    obj t, l, o, *p, *d; int c = (v14220_tmp);
+    obj t, l, o, *p, *d; int c = (v14238_tmp);
     hreserve(hbsz(3)*c, 7); /* 7 live regs */
     l = r[6];   t = r[3];   /* gc-safe */
     o = t; p = &o; 
@@ -9426,7 +9432,7 @@ gs_xform_2Dlambda_2A: /* k tail env */
     r[0] = r[3];  
     /* r[1] */    
     /* r[2] */    
-    goto s_loop_v13308;
+    goto s_loop_v13326;
   } else {
     { /* cons */ 
     hreserve(hbsz(3), 3); /* 3 live regs */
@@ -9445,7 +9451,7 @@ gs_xform_2Dlambda_2A: /* k tail env */
     goto jump;
   }
 
-s_loop_v13308: /* k l env */
+s_loop_v13326: /* k l env */
   if ((ispair((r[1])))) {
     r[3] = (cdr((r[1])));
     hreserve(hbsz(3+1), 4); /* 4 live regs */
@@ -9457,7 +9463,7 @@ s_loop_v13308: /* k l env */
     r[0] = r[4];  
     r[1] = r[3];  
     /* r[2] */    
-    goto s_loop_v13308;
+    goto s_loop_v13326;
   } else {
     /* r[0] */    
     pc = objptr_from_obj(r[0])[0];
@@ -9519,7 +9525,7 @@ case 115: /* clo ek r */
     r[9+4] = r[8];  
     r += 9; /* shift reg wnd */
     rreserve(MAX_HOSTREGS);
-    goto s_l_v13312;
+    goto s_l_v13330;
   } else {
     r[0] = r[6];  
     r[1] = (car((r[5])));
@@ -9538,7 +9544,7 @@ case 115: /* clo ek r */
     r[8+4] = r[7];  
     r += 8; /* shift reg wnd */
     rreserve(MAX_HOSTREGS);
-    goto s_l_v13312;
+    goto s_l_v13330;
   }
 
 case 116: /* clo ek r */
@@ -9570,7 +9576,7 @@ case 117: /* clo ek r */
     r[1+3] = p[2];
     r[1+4] = p[3]; }
     r += 1; /* shift reg. wnd */
-s_l_v13312: /* ek r env aexp k */
+s_l_v13330: /* ek r env aexp k */
   if (bool_from_obj(r[1])) {
     hreserve(hbsz(2+1), 5); /* 5 live regs */
     *--hp = r[4];  
@@ -9690,7 +9696,7 @@ gs_xform_2Dsyntax_2Dlambda: /* k tail env */
     r[4+4] = r[1];  
     r += 4; /* shift reg wnd */
     rreserve(MAX_HOSTREGS);
-    goto s_l_v13254;
+    goto s_l_v13272;
   }
 
 case 122: /* clo ek r */
@@ -9700,7 +9706,7 @@ case 122: /* clo ek r */
     r[1+3] = p[2];
     r[1+4] = p[3]; }
     r += 1; /* shift reg. wnd */
-s_l_v13254: /* ek r k env tail */
+s_l_v13272: /* ek r k env tail */
   if (bool_from_obj(r[1])) {
     r[5] = (car((r[4])));
     r[6] = (cdr((r[4])));
@@ -9743,18 +9749,18 @@ case 123: /* clo k use useenv */
     r += 1; /* shift reg. wnd */
     /* k use useenv forms env vars */
   if (bool_from_obj(cxs_list1_2B_3F((r[1])))) {
-    { fixnum_t v14218_tmp;
-    { fixnum_t v14217_tmp;
+    { fixnum_t v14236_tmp;
+    { fixnum_t v14235_tmp;
     { /* length */
     int n; obj l = r[5];  
     for (n = 0; l != mknull(); ++n, l = cdr(l)) ;
-    v14218_tmp = (n); }
+    v14236_tmp = (n); }
     r[6] = (cdr((r[1])));
     { /* length */
     int n; obj l = r[6];  
     for (n = 0; l != mknull(); ++n, l = cdr(l)) ;
-    v14217_tmp = (n); }
-    r[6] = obj_from_bool((v14218_tmp) == (v14217_tmp)); } }
+    v14235_tmp = (n); }
+    r[6] = obj_from_bool((v14236_tmp) == (v14235_tmp)); } }
   } else {
     r[6] = obj_from_bool(0);
   }
@@ -9768,7 +9774,7 @@ case 123: /* clo k use useenv */
     r[7+5] = r[3];  
     r += 7; /* shift reg wnd */
     rreserve(MAX_HOSTREGS);
-    goto s_loop_v13257;
+    goto s_loop_v13275;
   } else {
     r[6+0] = (cx_x_2Derror);
     pc = objptr_from_obj(r[6+0])[0];
@@ -9787,7 +9793,7 @@ case 124: /* clo k vars exps env */
     r[1+4] = p[1];
     r[1+5] = p[2]; }
     r += 1; /* shift reg. wnd */
-s_loop_v13257: /* k vars exps env useenv forms */
+s_loop_v13275: /* k vars exps env useenv forms */
   if ((isnull((r[1])))) {
     hreserve(hbsz(1+1), 6); /* 6 live regs */
     *--hp = r[0];  
@@ -10149,8 +10155,8 @@ gs_xform_2Dbody: /* k tail env */
     rc = 3;
     goto jump;
   } else {
-    { const bool_t v14216_tmp = (islist((r[1])));
-    r[3] = obj_from_bool(!(v14216_tmp)); } 
+    { const bool_t v14234_tmp = (islist((r[1])));
+    r[3] = obj_from_bool(!(v14234_tmp)); } 
   if (bool_from_obj(r[3])) {
     { /* cons */ 
     hreserve(hbsz(3), 3); /* 3 live regs */
@@ -10176,14 +10182,14 @@ gs_xform_2Dbody: /* k tail env */
     r[3+5] = r[1];  
     r += 3; /* shift reg wnd */
     rreserve(MAX_HOSTREGS);
-    goto s_loop_v13138;
+    goto s_loop_v13156;
   }
   }
 
 case 138: /* clo k env ids inits nids body */
     assert(rc == 7);
     r += 1; /* shift reg. wnd */
-s_loop_v13138: /* k env ids inits nids body */
+s_loop_v13156: /* k env ids inits nids body */
   if ((ispair((r[5])))) {
     r[6] = (car((r[5])));
     r[6] = obj_from_bool(ispair((r[6])));
@@ -10219,37 +10225,37 @@ s_loop_v13138: /* k env ids inits nids body */
     rreserve(MAX_HOSTREGS);
     goto gs_xform;
   } else {
-    { fixnum_t v14215_tmp;
+    { fixnum_t v14233_tmp;
     { /* length */
     int n; obj l = r[2];  
     for (n = 0; l != mknull(); ++n, l = cdr(l)) ;
-    v14215_tmp = (n); }
+    v14233_tmp = (n); }
     { /* reverse */
-    obj l, o = mknull(); int c = (v14215_tmp);
+    obj l, o = mknull(); int c = (v14233_tmp);
     hreserve(hbsz(3)*c, 6); /* 6 live regs */
     l = r[2];   /* gc-safe */
     for (; l != mknull(); l = cdr(l)) { *--hp = o; *--hp = car(l);
     *--hp = obj_from_size(PAIR_BTAG); o = hendblk(3); }  
     r[6] = (o); } }
-    { fixnum_t v14214_tmp;
+    { fixnum_t v14232_tmp;
     { /* length */
     int n; obj l = r[3];  
     for (n = 0; l != mknull(); ++n, l = cdr(l)) ;
-    v14214_tmp = (n); }
+    v14232_tmp = (n); }
     { /* reverse */
-    obj l, o = mknull(); int c = (v14214_tmp);
+    obj l, o = mknull(); int c = (v14232_tmp);
     hreserve(hbsz(3)*c, 7); /* 7 live regs */
     l = r[3];   /* gc-safe */
     for (; l != mknull(); l = cdr(l)) { *--hp = o; *--hp = car(l);
     *--hp = obj_from_size(PAIR_BTAG); o = hendblk(3); }  
     r[7] = (o); } }
-    { fixnum_t v14213_tmp;
+    { fixnum_t v14231_tmp;
     { /* length */
     int n; obj l = r[4];  
     for (n = 0; l != mknull(); ++n, l = cdr(l)) ;
-    v14213_tmp = (n); }
+    v14231_tmp = (n); }
     { /* reverse */
-    obj l, o = mknull(); int c = (v14213_tmp);
+    obj l, o = mknull(); int c = (v14231_tmp);
     hreserve(hbsz(3)*c, 8); /* 8 live regs */
     l = r[4];   /* gc-safe */
     for (; l != mknull(); l = cdr(l)) { *--hp = o; *--hp = car(l);
@@ -10283,13 +10289,13 @@ case 139: /* clo ek r */
     /* ek r body first loop rest nids inits ids env k tail */
   if ((((r[1]) == (mksymbol(internsym("begin")))) && (1))) {
   if ((islist((r[11])))) {
-    { fixnum_t v14212_tmp;
+    { fixnum_t v14230_tmp;
     { /* length */
     int n; obj l = (r[11]);
     for (n = 0; l != mknull(); ++n, l = cdr(l)) ;
-    v14212_tmp = (n); }
+    v14230_tmp = (n); }
     { /* append */
-    obj t, l, o, *p, *d; int c = (v14212_tmp);
+    obj t, l, o, *p, *d; int c = (v14230_tmp);
     hreserve(hbsz(3)*c, 12); /* 12 live regs */
     l = (r[11]); t = r[5];   /* gc-safe */
     o = t; p = &o; 
@@ -10457,37 +10463,37 @@ case 139: /* clo ek r */
     rc = 4;
     goto jump;
   } else {
-    { fixnum_t v14211_tmp;
+    { fixnum_t v14229_tmp;
     { /* length */
     int n; obj l = r[8];  
     for (n = 0; l != mknull(); ++n, l = cdr(l)) ;
-    v14211_tmp = (n); }
+    v14229_tmp = (n); }
     { /* reverse */
-    obj l, o = mknull(); int c = (v14211_tmp);
+    obj l, o = mknull(); int c = (v14229_tmp);
     hreserve(hbsz(3)*c, 12); /* 12 live regs */
     l = r[8];   /* gc-safe */
     for (; l != mknull(); l = cdr(l)) { *--hp = o; *--hp = car(l);
     *--hp = obj_from_size(PAIR_BTAG); o = hendblk(3); }  
     r[12] = (o); } }
-    { fixnum_t v14210_tmp;
+    { fixnum_t v14228_tmp;
     { /* length */
     int n; obj l = r[7];  
     for (n = 0; l != mknull(); ++n, l = cdr(l)) ;
-    v14210_tmp = (n); }
+    v14228_tmp = (n); }
     { /* reverse */
-    obj l, o = mknull(); int c = (v14210_tmp);
+    obj l, o = mknull(); int c = (v14228_tmp);
     hreserve(hbsz(3)*c, 13); /* 13 live regs */
     l = r[7];   /* gc-safe */
     for (; l != mknull(); l = cdr(l)) { *--hp = o; *--hp = car(l);
     *--hp = obj_from_size(PAIR_BTAG); o = hendblk(3); }  
     r[13] = (o); } }
-    { fixnum_t v14209_tmp;
+    { fixnum_t v14227_tmp;
     { /* length */
     int n; obj l = r[6];  
     for (n = 0; l != mknull(); ++n, l = cdr(l)) ;
-    v14209_tmp = (n); }
+    v14227_tmp = (n); }
     { /* reverse */
-    obj l, o = mknull(); int c = (v14209_tmp);
+    obj l, o = mknull(); int c = (v14227_tmp);
     hreserve(hbsz(3)*c, 14); /* 14 live regs */
     l = r[6];   /* gc-safe */
     for (; l != mknull(); l = cdr(l)) { *--hp = o; *--hp = car(l);
@@ -10710,7 +10716,7 @@ gs_xform_2Dlabels: /* k ids inits nids body env */
     r[6+7] = r[4];  
     r += 6; /* shift reg wnd */
     rreserve(MAX_HOSTREGS);
-    goto s_loop_v13047;
+    goto s_loop_v13065;
 
 case 146: /* clo k ids inits nids sets lids */
     assert(rc == 7);
@@ -10718,7 +10724,7 @@ case 146: /* clo k ids inits nids sets lids */
     r[1+6] = p[1];
     r[1+7] = p[2]; }
     r += 1; /* shift reg. wnd */
-s_loop_v13047: /* k ids inits nids sets lids env body */
+s_loop_v13065: /* k ids inits nids sets lids env body */
     hreserve(hbsz(2+1), 8); /* 8 live regs */
     *--hp = r[7];  
     *--hp = r[6];  
@@ -10734,7 +10740,7 @@ s_loop_v13047: /* k ids inits nids sets lids env body */
     r[0] = r[9];  
     r[1] = r[7];  
     r[2] = r[6];  
-    goto s_loop_v13095;
+    goto s_loop_v13113;
   } else {
     r[9] = (car((r[1])));
     r[9] = obj_from_bool(!bool_from_obj(r[9]));
@@ -10810,7 +10816,7 @@ s_loop_v13047: /* k ids inits nids sets lids env body */
   }
   }
 
-s_loop_v13095: /* k l env */
+s_loop_v13113: /* k l env */
   if ((ispair((r[1])))) {
     r[3] = (cdr((r[1])));
     hreserve(hbsz(3+1), 4); /* 4 live regs */
@@ -10822,7 +10828,7 @@ s_loop_v13095: /* k l env */
     r[0] = r[4];  
     r[1] = r[3];  
     /* r[2] */    
-    goto s_loop_v13095;
+    goto s_loop_v13113;
   } else {
     /* r[0] */    
     pc = objptr_from_obj(r[0])[0];
@@ -10884,25 +10890,25 @@ case 149: /* clo ek r */
     r[1+4] = p[3]; }
     r += 1; /* shift reg. wnd */
     /* ek r k lids sets */
-    { fixnum_t v14207_tmp;
+    { fixnum_t v14225_tmp;
     { /* length */
     int n; obj l = r[4];  
     for (n = 0; l != mknull(); ++n, l = cdr(l)) ;
-    v14207_tmp = (n); }
+    v14225_tmp = (n); }
     { /* reverse */
-    obj l, o = mknull(); int c = (v14207_tmp);
+    obj l, o = mknull(); int c = (v14225_tmp);
     hreserve(hbsz(3)*c, 5); /* 5 live regs */
     l = r[4];   /* gc-safe */
     for (; l != mknull(); l = cdr(l)) { *--hp = o; *--hp = car(l);
     *--hp = obj_from_size(PAIR_BTAG); o = hendblk(3); }  
     r[5] = (o); } }
-    { fixnum_t v14208_tmp;
+    { fixnum_t v14226_tmp;
     { /* length */
     int n; obj l = r[5];  
     for (n = 0; l != mknull(); ++n, l = cdr(l)) ;
-    v14208_tmp = (n); }
+    v14226_tmp = (n); }
     { /* append */
-    obj t, l, o, *p, *d; int c = (v14208_tmp);
+    obj t, l, o, *p, *d; int c = (v14226_tmp);
     hreserve(hbsz(3)*c, 6); /* 6 live regs */
     l = r[5];   t = r[1];   /* gc-safe */
     o = t; p = &o; 
@@ -10938,10 +10944,10 @@ case 149: /* clo ek r */
     r[8] = (hendblk(3+1));
     r[0] = r[8];  
     r[1] = r[3];  
-    goto s_loop_v13080;
+    goto s_loop_v13098;
   }
 
-s_loop_v13080: /* k l */
+s_loop_v13098: /* k l */
   if ((ispair((r[1])))) {
     r[2] = (cdr((r[1])));
     hreserve(hbsz(1+1), 3); /* 3 live regs */
@@ -10950,7 +10956,7 @@ s_loop_v13080: /* k l */
     r[3] = (hendblk(1+1));
     r[0] = r[3];  
     r[1] = r[2];  
-    goto s_loop_v13080;
+    goto s_loop_v13098;
   } else {
     r[2+0] = r[0];  
     pc = objptr_from_obj(r[2+0])[0];
@@ -10997,13 +11003,13 @@ case 151: /* clo ek r */
     *--hp = r[3];  
     *--hp = obj_from_size(PAIR_BTAG); 
     r[5] = (hendblk(3)); }
-    { fixnum_t v14206_tmp;
+    { fixnum_t v14224_tmp;
     { /* length */
     int n; obj l = r[2];  
     for (n = 0; l != mknull(); ++n, l = cdr(l)) ;
-    v14206_tmp = (n); }
+    v14224_tmp = (n); }
     { /* reverse */
-    obj l, o = mknull(); int c = (v14206_tmp);
+    obj l, o = mknull(); int c = (v14224_tmp);
     hreserve(hbsz(3)*c, 6); /* 6 live regs */
     l = r[2];   /* gc-safe */
     for (; l != mknull(); l = cdr(l)) { *--hp = o; *--hp = car(l);
@@ -11784,7 +11790,7 @@ s_collect: /* k x inc l ellipsis-pair? pred? */
     r[8+4] = r[1];  
     r += 8; /* shift reg wnd */
     rreserve(MAX_HOSTREGS);
-    goto s_l_v12876;
+    goto s_l_v12894;
   }
   } else {
   if ((isvector((r[1])))) {
@@ -11839,7 +11845,7 @@ case 179: /* clo ek r */
     r[1+3] = p[2];
     r[1+4] = p[3]; }
     r += 1; /* shift reg. wnd */
-s_l_v12876: /* ek r k l x */
+s_l_v12894: /* ek r k l x */
   if (bool_from_obj(r[1])) {
     { /* cons */ 
     hreserve(hbsz(3), 5); /* 5 live regs */
@@ -11974,7 +11980,7 @@ case 183: /* clo k use use-env */
     r[9+8] = r[7];  
     r += 9; /* shift reg wnd */
     rreserve(MAX_HOSTREGS);
-    goto s_loop_v12556;
+    goto s_loop_v12574;
 
 case 184: /* clo k rules */
     assert(rc == 3);
@@ -11987,7 +11993,7 @@ case 184: /* clo k rules */
     r[1+7] = p[6];
     r[1+8] = p[7]; }
     r += 1; /* shift reg. wnd */
-s_loop_v12556: /* k rules use-env pat-literals use mac-env not-pat-literal? ellipsis-pair? list-ids */
+s_loop_v12574: /* k rules use-env pat-literals use mac-env not-pat-literal? ellipsis-pair? list-ids */
     hreserve(hbsz(7+1), 9); /* 9 live regs */
     *--hp = r[8];  
     *--hp = r[7];  
@@ -12045,7 +12051,7 @@ s_loop_v12556: /* k rules use-env pat-literals use mac-env not-pat-literal? elli
     r[11+11] = r[1];  
     r += 11; /* shift reg wnd */
     rreserve(MAX_HOSTREGS);
-    goto s_l_v12558;
+    goto s_l_v12576;
   }
 
 case 185: /* clo ek . */
@@ -12063,7 +12069,7 @@ case 185: /* clo ek . */
     r[1+10] = p[9];
     r[1+11] = p[10]; }
     r += 1; /* shift reg. wnd */
-s_l_v12558: /* ek . use-env pat-literals use loop mac-env not-pat-literal? ellipsis-pair? list-ids k rules */
+s_l_v12576: /* ek . use-env pat-literals use loop mac-env not-pat-literal? ellipsis-pair? list-ids k rules */
     r[12] = (car((r[11])));
     r[13] = (car((r[12])));
     r[14] = (cdr((r[12])));
@@ -12187,9 +12193,9 @@ case 187: /* clo ek r */
     r[0] = (r[12]);
     /* r[1] */    
     /* r[2] */    
-    goto s_loop_v12809;
+    goto s_loop_v12827;
 
-s_loop_v12809: /* k l mac-env */
+s_loop_v12827: /* k l mac-env */
   if ((ispair((r[1])))) {
     r[3] = (cdr((r[1])));
     hreserve(hbsz(3+1), 4); /* 4 live regs */
@@ -12201,7 +12207,7 @@ s_loop_v12809: /* k l mac-env */
     r[0] = r[4];  
     r[1] = r[3];  
     /* r[2] */    
-    goto s_loop_v12809;
+    goto s_loop_v12827;
   } else {
     /* r[0] */    
     pc = objptr_from_obj(r[0])[0];
@@ -12483,7 +12489,7 @@ s_expand_2Dpart: /* k tmpl ellipsis-pair? list-ids ellipsis-vars expand new-lite
     r[11+8] = r[1];  
     r += 11; /* shift reg wnd */
     rreserve(MAX_HOSTREGS);
-    goto s_l_v12703;
+    goto s_l_v12721;
   }
   }
   }
@@ -12494,13 +12500,13 @@ case 195: /* clo ek r */
     r[1+2] = p[1]; }
     r += 1; /* shift reg. wnd */
     /* ek r k */
-    { fixnum_t v14205_tmp;
+    { fixnum_t v14223_tmp;
     { /* length */
     int n; obj l = r[1];  
     for (n = 0; l != mknull(); ++n, l = cdr(l)) ;
-    v14205_tmp = (n); }
+    v14223_tmp = (n); }
     { /* list->vector */
-    obj l; int i, c = (v14205_tmp);
+    obj l; int i, c = (v14223_tmp);
     hreserve(hbsz(c+1), 3); /* 3 live regs */
     l = r[1];   /* gc-safe */
     for (i = 0; i < c; ++i, l = cdr(l)) hp[i-c] = car(l);
@@ -12526,7 +12532,7 @@ case 196: /* clo ek r */
     r[1+7] = p[6];
     r[1+8] = p[7]; }
     r += 1; /* shift reg. wnd */
-s_l_v12703: /* ek r list-ids ellipsis-vars bindings expand-part k expand tmpl */
+s_l_v12721: /* ek r list-ids ellipsis-vars bindings expand-part k expand tmpl */
   if (bool_from_obj(r[1])) {
     hreserve(hbsz(5+1), 9); /* 9 live regs */
     *--hp = r[8];  
@@ -12629,7 +12635,7 @@ case 197: /* clo ek r */
     r[0] = r[8];  
     /* r[1] */    
     /* r[2] */    
-    goto s_loop_v12742;
+    goto s_loop_v12760;
   }
 
 case 198: /* clo k vals */
@@ -12718,7 +12724,7 @@ case 201: /* clo ek r */
     rc = 3;
     goto jump;
 
-s_loop_v12742: /* k l bindings */
+s_loop_v12760: /* k l bindings */
   if ((ispair((r[1])))) {
     r[3] = (cdr((r[1])));
     hreserve(hbsz(3+1), 4); /* 4 live regs */
@@ -12730,7 +12736,7 @@ s_loop_v12742: /* k l bindings */
     r[0] = r[4];  
     r[1] = r[3];  
     /* r[2] */    
-    goto s_loop_v12742;
+    goto s_loop_v12760;
   } else {
     /* r[0] */    
     pc = objptr_from_obj(r[0])[0];
@@ -12832,13 +12838,13 @@ case 205: /* clo ek r */
     r[1+3] = p[2]; }
     r += 1; /* shift reg. wnd */
     /* ek r k r */
-    { fixnum_t v14204_tmp;
+    { fixnum_t v14222_tmp;
     { /* length */
     int n; obj l = r[3];  
     for (n = 0; l != mknull(); ++n, l = cdr(l)) ;
-    v14204_tmp = (n); }
+    v14222_tmp = (n); }
     { /* append */
-    obj t, l, o, *p, *d; int c = (v14204_tmp);
+    obj t, l, o, *p, *d; int c = (v14222_tmp);
     hreserve(hbsz(3)*c, 4); /* 4 live regs */
     l = r[3];   t = r[1];   /* gc-safe */
     o = t; p = &o; 
@@ -13021,7 +13027,7 @@ s_match: /* k pat sexp bindings ellipsis-pair? list-ids not-pat-literal? use-env
     r[1] = obj_from_bool(0);
     r[2] = (r[10]);
     /* r[3] */    
-    goto s_l_v12669;
+    goto s_l_v12687;
   }
   } else {
     { /* cons */ 
@@ -13065,7 +13071,7 @@ s_match: /* k pat sexp bindings ellipsis-pair? list-ids not-pat-literal? use-env
     r[14+6] = r[0];  
     r += 14; /* shift reg wnd */
     rreserve(MAX_HOSTREGS);
-    goto s_l_v12651;
+    goto s_l_v12669;
   } else {
     r[0] = (r[10]);
     pc = objptr_from_obj(r[0])[0];
@@ -13082,7 +13088,7 @@ s_match: /* k pat sexp bindings ellipsis-pair? list-ids not-pat-literal? use-env
     r[1] = (r[13]);
     r[2] = (r[10]);
     /* r[3] */    
-    goto s_l_v12669;
+    goto s_l_v12687;
   } else {
     hreserve(hbsz(8+1), 13); /* 13 live regs */
     *--hp = r[1];  
@@ -13113,7 +13119,7 @@ case 212: /* clo k condition */
     r[1+2] = p[1];
     r[1+3] = p[2]; }
     r += 1; /* shift reg. wnd */
-s_l_v12669: /* k condition return bindings */
+s_l_v12687: /* k condition return bindings */
   if (bool_from_obj(r[1])) {
     /* r[0] */    
     pc = objptr_from_obj(r[0])[0];
@@ -13183,7 +13189,7 @@ case 215: /* clo ek . */
     r[1+5] = p[4];
     r[1+6] = p[5]; }
     r += 1; /* shift reg. wnd */
-s_l_v12651: /* ek . match bindings sexp pat k */
+s_l_v12669: /* ek . match bindings sexp pat k */
     { /* vector->list */
     obj v, l = mknull(); int c = (vectorlen((r[5])));
     hreserve(hbsz(3)*c, 7); /* 7 live regs */
@@ -13259,7 +13265,7 @@ case 216: /* clo ek r */
     r[13+10] = (r[10]);
     r += 13; /* shift reg wnd */
     rreserve(MAX_HOSTREGS);
-    goto s_l_v12571;
+    goto s_l_v12589;
   } else {
     r[0] = r[2];  
     pc = objptr_from_obj(r[0])[0];
@@ -13311,7 +13317,7 @@ case 217: /* clo ek r */
     r[1+9] = p[8];
     r[1+10] = p[9]; }
     r += 1; /* shift reg. wnd */
-s_l_v12571: /* ek r return list-ids not-pat-literal? match bindings pat k sexp tail-len */
+s_l_v12589: /* ek r return list-ids not-pat-literal? match bindings pat k sexp tail-len */
     hreserve(hbsz(9+1), 11); /* 11 live regs */
     *--hp = (r[10]);
     *--hp = r[1];  
@@ -13346,7 +13352,7 @@ s_l_v12571: /* ek r return list-ids not-pat-literal? match bindings pat k sexp t
     r[12+10] = (r[10]);
     r += 12; /* shift reg wnd */
     rreserve(MAX_HOSTREGS);
-    goto s_l_v12573;
+    goto s_l_v12591;
   }
 
 case 218: /* clo ek . */
@@ -13363,35 +13369,35 @@ case 218: /* clo ek . */
     r[1+9] = p[8];
     r[1+10] = p[9]; }
     r += 1; /* shift reg. wnd */
-s_l_v12573: /* ek . list-ids not-pat-literal? match bindings pat k sexp r tail-len */
-    { const fixnum_t v14201_tail_2Dlen = fixnum_from_obj(r[10]);
+s_l_v12591: /* ek . list-ids not-pat-literal? match bindings pat k sexp r tail-len */
+    { const fixnum_t v14219_tail_2Dlen = fixnum_from_obj(r[10]);
     { /* list-tail */
-    obj l = r[8];   int c = (fxsub(fixnum_from_obj(r[9]), (v14201_tail_2Dlen)));
+    obj l = r[8];   int c = (fxsub(fixnum_from_obj(r[9]), (v14219_tail_2Dlen)));
     while (c-- > 0) l = cdr(l);
     r[11] = (l); }
-    { fixnum_t v14202_tmp;
+    { fixnum_t v14220_tmp;
     { /* length */
     int n; obj l = r[8];  
     for (n = 0; l != mknull(); ++n, l = cdr(l)) ;
-    v14202_tmp = (n); }
+    v14220_tmp = (n); }
     { /* reverse */
-    obj l, o = mknull(); int c = (v14202_tmp);
+    obj l, o = mknull(); int c = (v14220_tmp);
     hreserve(hbsz(3)*c, 12); /* 12 live regs */
     l = r[8];   /* gc-safe */
     for (; l != mknull(); l = cdr(l)) { *--hp = o; *--hp = car(l);
     *--hp = obj_from_size(PAIR_BTAG); o = hendblk(3); }  
     r[12] = (o); } }
     { /* list-tail */
-    obj l = (r[12]); int c = (v14201_tail_2Dlen);
+    obj l = (r[12]); int c = (v14219_tail_2Dlen);
     while (c-- > 0) l = cdr(l);
     r[12] = (l); }
-    { fixnum_t v14203_tmp;
+    { fixnum_t v14221_tmp;
     { /* length */
     int n; obj l = (r[12]);
     for (n = 0; l != mknull(); ++n, l = cdr(l)) ;
-    v14203_tmp = (n); }
+    v14221_tmp = (n); }
     { /* reverse */
-    obj l, o = mknull(); int c = (v14203_tmp);
+    obj l, o = mknull(); int c = (v14221_tmp);
     hreserve(hbsz(3)*c, 13); /* 13 live regs */
     l = (r[12]); /* gc-safe */
     for (; l != mknull(); l = cdr(l)) { *--hp = o; *--hp = car(l);
@@ -13441,9 +13447,9 @@ case 219: /* clo ek r */
     r[1] = r[2];  
     r[2] = r[3];  
     r[3] = r[6];  
-    goto s_loop_v12594;
+    goto s_loop_v12612;
 
-s_loop_v12594: /* k l match pat */
+s_loop_v12612: /* k l match pat */
   if ((ispair((r[1])))) {
     r[4] = (cdr((r[1])));
     hreserve(hbsz(4+1), 5); /* 5 live regs */
@@ -13457,7 +13463,7 @@ s_loop_v12594: /* k l match pat */
     r[1] = r[4];  
     /* r[2] */    
     /* r[3] */    
-    goto s_loop_v12594;
+    goto s_loop_v12612;
   } else {
     /* r[0] */    
     pc = objptr_from_obj(r[0])[0];
@@ -13511,9 +13517,9 @@ case 221: /* clo ek r */
     r[0] = r[5];  
     /* r[1] */    
     /* r[2] */    
-    goto s_loop_v12605;
+    goto s_loop_v12623;
 
-s_loop_v12605: /* k l f */
+s_loop_v12623: /* k l f */
   if ((ispair((r[1])))) {
     r[3] = (cdr((r[1])));
     hreserve(hbsz(3+1), 4); /* 4 live regs */
@@ -13525,7 +13531,7 @@ s_loop_v12605: /* k l f */
     r[0] = r[4];  
     r[1] = r[3];  
     /* r[2] */    
-    goto s_loop_v12605;
+    goto s_loop_v12623;
   } else {
     /* r[0] */    
     pc = objptr_from_obj(r[0])[0];
@@ -13676,13 +13682,13 @@ case 227: /* clo ek r */
     r[1+3] = p[2]; }
     r += 1; /* shift reg. wnd */
     /* ek r k r */
-    { fixnum_t v14200_tmp;
+    { fixnum_t v14218_tmp;
     { /* length */
     int n; obj l = r[3];  
     for (n = 0; l != mknull(); ++n, l = cdr(l)) ;
-    v14200_tmp = (n); }
+    v14218_tmp = (n); }
     { /* append */
-    obj t, l, o, *p, *d; int c = (v14200_tmp);
+    obj t, l, o, *p, *d; int c = (v14218_tmp);
     hreserve(hbsz(3)*c, 4); /* 4 live regs */
     l = r[3];   t = r[1];   /* gc-safe */
     o = t; p = &o; 
@@ -13911,6 +13917,9 @@ case 236: /* clo ek r */
     *--hp = obj_from_bool(0);
     *--hp = obj_from_size(PAIR_BTAG); 
     cx__2Adynamic_2Dstate_2A = (hendblk(3)); }
+    cx__2Acurrent_2Dinput_2A = obj_from_bool(0);
+    cx__2Acurrent_2Doutput_2A = obj_from_bool(0);
+    cx__2Acurrent_2Derror_2A = obj_from_bool(0);
     hreserve(hbsz(0+1), 3); /* 3 live regs */
     *--hp = obj_from_case(238);
     r[3] = (hendblk(0+1));
@@ -13968,7 +13977,7 @@ case 236: /* clo ek r */
     r[0] = r[3];  
     pc = objptr_from_obj(r[0])[0];
     r[1] = r[4];  
-    r[2] = (cx__233369);
+    r[2] = (cx__233372);
     rreserve(MAX_HOSTREGS);
     rc = 3;
     goto jump;
@@ -14017,7 +14026,7 @@ case 238: /* clo k msg args */
     r += 1; /* shift reg. wnd */
     /* k msg args */
     { /* string-append */
-    int *d = stringcat(stringdata((cx__231903)), stringdata((r[1])));
+    int *d = stringcat(stringdata((cx__231906)), stringdata((r[1])));
     r[3] = (hpushstr(3, d)); }
     /* r[0] */    
     r[1] = r[3];  
@@ -14028,8 +14037,8 @@ case 239: /* write-serialized-char k x port */
     assert(rc == 4);
     r += 1; /* shift reg. wnd */
 gs_write_2Dserialized_2Dchar: /* k x port */
-    { const char_t v14199_x = char_from_obj(r[1]);
-  if ((((v14199_x) == ('%')) || (((v14199_x) == (34)) || (((v14199_x) == (92)) || (((v14199_x) < (' ')) || ((v14199_x) > ('~'))))))) {
+    { const char_t v14217_x = char_from_obj(r[1]);
+  if ((((v14217_x) == ('%')) || (((v14217_x) == (34)) || (((v14217_x) == (92)) || (((v14217_x) < (' ')) || ((v14217_x) > ('~'))))))) {
     (void)(oportputc(('%'), (r[2])));
     hreserve(hbsz(2+1), 3); /* 3 live regs */
     *--hp = r[2];  
@@ -14039,7 +14048,7 @@ gs_write_2Dserialized_2Dchar: /* k x port */
     r[4+0] = (cx_fixnum_2D_3Estring);
     pc = objptr_from_obj(r[4+0])[0];
     r[4+1] = r[3];  
-    r[4+2] = obj_from_fixnum((fixnum_t)(v14199_x));
+    r[4+2] = obj_from_fixnum((fixnum_t)(v14217_x));
     r[4+3] = obj_from_fixnum(+16);
     r += 4; /* shift reg wnd */
     rreserve(MAX_HOSTREGS);
@@ -14049,7 +14058,7 @@ gs_write_2Dserialized_2Dchar: /* k x port */
     /* r[0] */    
     pc = objptr_from_obj(r[0])[0];
     r[1] = obj_from_ktrap();
-    r[2] = obj_from_void(oportputc((v14199_x), (r[2])));
+    r[2] = obj_from_void(oportputc((v14217_x), (r[2])));
     rreserve(MAX_HOSTREGS);
     rc = 3;
     goto jump;
@@ -14358,7 +14367,7 @@ gs_write_2Dserialized_2Dsexp: /* k x port */
     r[3+0] = (cx_c_2Derror);
     pc = objptr_from_obj(r[3+0])[0];
     r[3+1] = r[0];  
-    r[3+2] = (cx__231948);
+    r[3+2] = (cx__231951);
     r[3+3] = r[1];  
     r += 3; /* shift reg wnd */
     rreserve(MAX_HOSTREGS);
@@ -14405,14 +14414,14 @@ case 249: /* clo ek r */
     r[0] = r[3];  
     r[1] = r[2];  
     r[2] = r[4];  
-    goto s_loop_v12413;
+    goto s_loop_v12431;
 
 case 250: /* clo k x */
     assert(rc == 3);
     { obj* p = objptr_from_obj(r[0]);
     r[1+2] = p[1]; }
     r += 1; /* shift reg. wnd */
-s_loop_v12413: /* k x port */
+s_loop_v12431: /* k x port */
   if ((isnull((r[1])))) {
     /* r[0] */    
     pc = objptr_from_obj(r[0])[0];
@@ -14521,7 +14530,7 @@ case 254: /* clo ek r */
     r[5+3] = r[2];  
     r += 5; /* shift reg wnd */
     rreserve(MAX_HOSTREGS);
-    goto s_loop_v12384;
+    goto s_loop_v12402;
 
 case 255: /* clo k i */
     assert(rc == 3);
@@ -14529,7 +14538,7 @@ case 255: /* clo k i */
     r[1+2] = p[1];
     r[1+3] = p[2]; }
     r += 1; /* shift reg. wnd */
-s_loop_v12384: /* k i port x */
+s_loop_v12402: /* k i port x */
   if ((fixnum_from_obj(r[1]) == (vectorlen((r[3]))))) {
     /* r[0] */    
     pc = objptr_from_obj(r[0])[0];
@@ -14598,7 +14607,7 @@ case 257: /* clo ek r */
     r[5+3] = r[2];  
     r += 5; /* shift reg wnd */
     rreserve(MAX_HOSTREGS);
-    goto s_loop_v12367;
+    goto s_loop_v12385;
 
 case 258: /* clo k i */
     assert(rc == 3);
@@ -14606,7 +14615,7 @@ case 258: /* clo k i */
     r[1+2] = p[1];
     r[1+3] = p[2]; }
     r += 1; /* shift reg. wnd */
-s_loop_v12367: /* k i port x */
+s_loop_v12385: /* k i port x */
   if ((fixnum_from_obj(r[1]) == (stringlen((r[3]))))) {
     /* r[0] */    
     pc = objptr_from_obj(r[0])[0];
@@ -14666,7 +14675,7 @@ case 260: /* clo ek r */
     r[5+3] = r[2];  
     r += 5; /* shift reg wnd */
     rreserve(MAX_HOSTREGS);
-    goto s_loop_v12350;
+    goto s_loop_v12368;
 
 case 261: /* clo k i */
     assert(rc == 3);
@@ -14674,7 +14683,7 @@ case 261: /* clo k i */
     r[1+2] = p[1];
     r[1+3] = p[2]; }
     r += 1; /* shift reg. wnd */
-s_loop_v12350: /* k i port x */
+s_loop_v12368: /* k i port x */
   if ((fixnum_from_obj(r[1]) == (bytevectorlen((r[3]))))) {
     /* r[0] */    
     pc = objptr_from_obj(r[0])[0];
@@ -14734,7 +14743,7 @@ case 263: /* clo ek r */
     r[5+3] = r[2];  
     r += 5; /* shift reg wnd */
     rreserve(MAX_HOSTREGS);
-    goto s_loop_v12333;
+    goto s_loop_v12351;
 
 case 264: /* clo k i */
     assert(rc == 3);
@@ -14742,7 +14751,7 @@ case 264: /* clo k i */
     r[1+2] = p[1];
     r[1+3] = p[2]; }
     r += 1; /* shift reg. wnd */
-s_loop_v12333: /* k i port x */
+s_loop_v12351: /* k i port x */
   if ((fixnum_from_obj(r[1]) == (stringlen((r[3]))))) {
     /* r[0] */    
     pc = objptr_from_obj(r[0])[0];
@@ -14792,8 +14801,8 @@ case 266: /* write-serialized-arg k arg port */
 gs_write_2Dserialized_2Darg: /* k arg port */
   if (((is_fixnum_obj(r[1])) || (is_flonum_obj(r[1])))) {
   if ((is_fixnum_obj(r[1]))) {
-    { const fixnum_t v14198_arg = fixnum_from_obj(r[1]);
-    r[3] = obj_from_bool(((+0) <= (v14198_arg)) && ((v14198_arg) <= (+9))); } 
+    { const fixnum_t v14216_arg = fixnum_from_obj(r[1]);
+    r[3] = obj_from_bool(((+0) <= (v14216_arg)) && ((v14216_arg) <= (+9))); } 
   } else {
     r[3] = obj_from_bool(0);
   }
@@ -14801,8 +14810,8 @@ gs_write_2Dserialized_2Darg: /* k arg port */
     r[3] = obj_from_bool(0);
   }
   if (bool_from_obj(r[3])) {
-    { const char_t v14197_tmp = (*(unsigned char*)stringref((cx__232041), fixnum_from_obj(r[1])));
-    r[3] = obj_from_void(oportputc((v14197_tmp), (r[2]))); } 
+    { const char_t v14215_tmp = (*(unsigned char*)stringref((cx__232044), fixnum_from_obj(r[1])));
+    r[3] = obj_from_void(oportputc((v14215_tmp), (r[2]))); } 
     r[4+0] = r[0];  
     pc = objptr_from_obj(r[4+0])[0];
     r[4+1] = obj_from_ktrap();
@@ -15340,9 +15349,9 @@ case 280: /* clo k clauses */
     r[0] = r[4];  
     /* r[1] */    
     r[2] = r[3];  
-    goto s_loop_v12216;
+    goto s_loop_v12234;
 
-s_loop_v12216: /* k l f */
+s_loop_v12234: /* k l f */
   if ((ispair((r[1])))) {
     r[3] = (cdr((r[1])));
     hreserve(hbsz(3+1), 4); /* 4 live regs */
@@ -15354,7 +15363,7 @@ s_loop_v12216: /* k l f */
     r[0] = r[4];  
     r[1] = r[3];  
     /* r[2] */    
-    goto s_loop_v12216;
+    goto s_loop_v12234;
   } else {
     /* r[0] */    
     pc = objptr_from_obj(r[0])[0];
@@ -15678,7 +15687,7 @@ case 299: /* clo k tail */
     r[3+0] = (cx_c_2Derror);
     pc = objptr_from_obj(r[3+0])[0];
     r[3+1] = r[0];  
-    r[3+2] = (cx__232062);
+    r[3+2] = (cx__232065);
     r[3+3] = r[2];  
     r += 3; /* shift reg wnd */
     rreserve(MAX_HOSTREGS);
@@ -16174,9 +16183,9 @@ case 312: /* clo k clauses */
     r[0] = r[4];  
     /* r[1] */    
     r[2] = r[3];  
-    goto s_loop_v11999;
+    goto s_loop_v12017;
 
-s_loop_v11999: /* k l f */
+s_loop_v12017: /* k l f */
   if ((ispair((r[1])))) {
     r[3] = (cdr((r[1])));
     hreserve(hbsz(3+1), 4); /* 4 live regs */
@@ -16188,7 +16197,7 @@ s_loop_v11999: /* k l f */
     r[0] = r[4];  
     r[1] = r[3];  
     /* r[2] */    
-    goto s_loop_v11999;
+    goto s_loop_v12017;
   } else {
     /* r[0] */    
     pc = objptr_from_obj(r[0])[0];
@@ -16514,7 +16523,7 @@ case 331: /* clo k tail */
     r[3+0] = (cx_c_2Derror);
     pc = objptr_from_obj(r[3+0])[0];
     r[3+1] = r[0];  
-    r[3+2] = (cx__232062);
+    r[3+2] = (cx__232065);
     r[3+3] = r[2];  
     r += 3; /* shift reg wnd */
     rreserve(MAX_HOSTREGS);
@@ -16871,7 +16880,7 @@ case 333: /* clo k obj */
     r[6+4] = r[3];  
     r += 6; /* shift reg wnd */
     rreserve(MAX_HOSTREGS);
-    goto s_l_v11856;
+    goto s_l_v11874;
   } else {
   if (((((r[1]) == obj_from_bool(0)) || ((is_flonum_obj(r[1])) && (0))) && (1))) {
     r[5] = obj_from_void(oportputc(('f'), (r[2])));
@@ -16882,7 +16891,7 @@ case 333: /* clo k obj */
     r[6+4] = r[3];  
     r += 6; /* shift reg wnd */
     rreserve(MAX_HOSTREGS);
-    goto s_l_v11856;
+    goto s_l_v11874;
   } else {
   if (((((r[1]) == (mknull())) || ((is_flonum_obj(r[1])) && ((is_flonum_obj(mknull())) && (flonum_from_obj(r[1]) == flonum_from_obj(mknull()))))) && (1))) {
     r[5] = obj_from_void(oportputc(('n'), (r[2])));
@@ -16893,7 +16902,7 @@ case 333: /* clo k obj */
     r[6+4] = r[3];  
     r += 6; /* shift reg wnd */
     rreserve(MAX_HOSTREGS);
-    goto s_l_v11856;
+    goto s_l_v11874;
   } else {
     (void)(oportputc((39), (r[2])));
     r[0] = r[4];  
@@ -16912,7 +16921,7 @@ case 334: /* clo ek . */
     r[1+3] = p[2];
     r[1+4] = p[3]; }
     r += 1; /* shift reg. wnd */
-s_l_v11856: /* ek . k port k */
+s_l_v11874: /* ek . k port k */
   if (bool_from_obj(r[4])) {
     (void)(oportputc((']'), (r[3])));
     r[0] = r[2];  
@@ -17238,7 +17247,7 @@ case 344: /* clo k exps */
     r[9+7] = r[7];  
     r += 9; /* shift reg wnd */
     rreserve(MAX_HOSTREGS);
-    goto s_loop_v11782;
+    goto s_loop_v11800;
 
 case 345: /* clo k xl */
     assert(rc == 3);
@@ -17250,7 +17259,7 @@ case 345: /* clo k xl */
     r[1+6] = p[5];
     r[1+7] = p[6]; }
     r += 1; /* shift reg. wnd */
-s_loop_v11782: /* k xl port g s f l k */
+s_loop_v11800: /* k xl port g s f l k */
   if ((ispair((r[1])))) {
     r[8] = (cdr((r[1])));
     r[8] = obj_from_bool(ispair((r[8])));
@@ -17441,7 +17450,7 @@ case 350: /* clo ek . */
     rreserve(MAX_HOSTREGS);
     goto gs_codegen;
   } else {
-    r[10] = obj_from_bool(isequal((r[6]), (cx__232881)));
+    r[10] = obj_from_bool(isequal((r[6]), (cx__232884)));
   if (bool_from_obj(r[10])) {
     r[0] = r[7];  
     pc = objptr_from_obj(r[0])[0];
@@ -17641,13 +17650,13 @@ case 356: /* clo ek r */
     r[1+12] = p[11]; }
     r += 1; /* shift reg. wnd */
     /* ek r f l idsi s g r r exp k k port */
-    { fixnum_t v14196_tmp;
+    { fixnum_t v14214_tmp;
     { /* length */
     int n; obj l = r[7];  
     for (n = 0; l != mknull(); ++n, l = cdr(l)) ;
-    v14196_tmp = (n); }
+    v14214_tmp = (n); }
     { /* reverse */
-    obj l, o = mknull(); int c = (v14196_tmp);
+    obj l, o = mknull(); int c = (v14214_tmp);
     hreserve(hbsz(3)*c, 13); /* 13 live regs */
     l = r[7];   /* gc-safe */
     for (; l != mknull(); l = cdr(l)) { *--hp = o; *--hp = car(l);
@@ -17674,7 +17683,7 @@ case 356: /* clo ek r */
     r[15+5] = (r[12]);
     r += 15; /* shift reg wnd */
     rreserve(MAX_HOSTREGS);
-    goto s_loop_v11711;
+    goto s_loop_v11729;
 
 case 357: /* clo k free l */
     assert(rc == 4);
@@ -17683,7 +17692,7 @@ case 357: /* clo k free l */
     r[1+4] = p[2];
     r[1+5] = p[3]; }
     r += 1; /* shift reg. wnd */
-s_loop_v11711: /* k free l g f port */
+s_loop_v11729: /* k free l g f port */
   if ((isnull((r[1])))) {
     /* r[0] */    
     pc = objptr_from_obj(r[0])[0];
@@ -17881,7 +17890,7 @@ case 361: /* clo ek . */
     r[12+4] = r[3];  
     r += 12; /* shift reg wnd */
     rreserve(MAX_HOSTREGS);
-    goto s_loop_v11686;
+    goto s_loop_v11704;
 
 case 362: /* clo k ids n */
     assert(rc == 4);
@@ -17889,7 +17898,7 @@ case 362: /* clo k ids n */
     r[1+3] = p[1];
     r[1+4] = p[2]; }
     r += 1; /* shift reg. wnd */
-s_loop_v11686: /* k ids n port r */
+s_loop_v11704: /* k ids n port r */
   if ((isnull((r[1])))) {
     /* r[0] */    
     pc = objptr_from_obj(r[0])[0];
@@ -17933,7 +17942,7 @@ s_loop_v11686: /* k ids n port r */
     r[7+5] = r[0];  
     r += 7; /* shift reg wnd */
     rreserve(MAX_HOSTREGS);
-    goto s_l_v11688;
+    goto s_l_v11706;
   }
   }
 
@@ -17946,7 +17955,7 @@ case 363: /* clo ek . */
     r[1+4] = p[3];
     r[1+5] = p[4]; }
     r += 1; /* shift reg. wnd */
-s_l_v11688: /* ek . loop n ids k */
+s_l_v11706: /* ek . loop n ids k */
     r[0] = r[2];  
     pc = objptr_from_obj(r[0])[0];
     r[1] = r[5];  
@@ -18088,13 +18097,13 @@ case 368: /* clo k clauses */
     r[1+7] = p[6]; }
     r += 1; /* shift reg. wnd */
     /* k clauses g s f l k port */
-    { fixnum_t v14195_tmp;
+    { fixnum_t v14213_tmp;
     { /* length */
     int n; obj l = r[1];  
     for (n = 0; l != mknull(); ++n, l = cdr(l)) ;
-    v14195_tmp = (n); }
+    v14213_tmp = (n); }
     { /* reverse */
-    obj l, o = mknull(); int c = (v14195_tmp);
+    obj l, o = mknull(); int c = (v14213_tmp);
     hreserve(hbsz(3)*c, 8); /* 8 live regs */
     l = r[1];   /* gc-safe */
     for (; l != mknull(); l = cdr(l)) { *--hp = o; *--hp = car(l);
@@ -18116,7 +18125,7 @@ case 368: /* clo k clauses */
     r[10+6] = r[7];  
     r += 10; /* shift reg wnd */
     rreserve(MAX_HOSTREGS);
-    goto s_loop_v11629;
+    goto s_loop_v11647;
 
 case 369: /* clo k clauses l */
     assert(rc == 4);
@@ -18126,7 +18135,7 @@ case 369: /* clo k clauses l */
     r[1+5] = p[3];
     r[1+6] = p[4]; }
     r += 1; /* shift reg. wnd */
-s_loop_v11629: /* k clauses l g s f port */
+s_loop_v11647: /* k clauses l g s f port */
   if ((isnull((r[1])))) {
     /* r[0] */    
     pc = objptr_from_obj(r[0])[0];
@@ -18244,14 +18253,14 @@ case 372: /* clo ek . */
     r[1] = r[2];  
     r[2] = obj_from_fixnum(+0);
     r[3] = r[5];  
-    goto s_loop_v11602;
+    goto s_loop_v11620;
 
 case 373: /* clo k clauses i */
     assert(rc == 4);
     { obj* p = objptr_from_obj(r[0]);
     r[1+3] = p[1]; }
     r += 1; /* shift reg. wnd */
-s_loop_v11602: /* k clauses i port */
+s_loop_v11620: /* k clauses i port */
   if ((isnull((r[1])))) {
     /* r[0] */    
     pc = objptr_from_obj(r[0])[0];
@@ -18621,7 +18630,7 @@ case 384: /* clo k kexp exp */
     /* k kexp exp g s f l port */
     r[8] = (car((r[2])));
     { /* memq */
-    obj x = (r[8]), l = (cx__232716);
+    obj x = (r[8]), l = (cx__232719);
     for (; l != mknull(); l = cdr(l)) if (car(l) == x) break;
     r[8] = (l == mknull() ? obj_from_bool(0) : l); }
   if (bool_from_obj(r[8])) {
@@ -18892,13 +18901,13 @@ case 391: /* clo ek r */
     *--hp = obj_from_case(392);
     r[12] = (hendblk(3+1));
   if (((((r[1]) == obj_from_char('0')) || ((is_flonum_obj(r[1])) && (0))) ? (1) : ((((r[1]) == obj_from_char('1')) || ((is_flonum_obj(r[1])) && (0))) ? (1) : ((((r[1]) == obj_from_char('2')) || ((is_flonum_obj(r[1])) && (0))) ? (1) : ((((r[1]) == obj_from_char('3')) || ((is_flonum_obj(r[1])) && (0))) && (1)))))) {
-    { fixnum_t v14194_tmp;
+    { fixnum_t v14212_tmp;
     { /* length */
     int n; obj l = r[7];  
     for (n = 0; l != mknull(); ++n, l = cdr(l)) ;
-    v14194_tmp = (n); }
+    v14212_tmp = (n); }
     { /* reverse */
-    obj l, o = mknull(); int c = (v14194_tmp);
+    obj l, o = mknull(); int c = (v14212_tmp);
     hreserve(hbsz(3)*c, 13); /* 13 live regs */
     l = r[7];   /* gc-safe */
     for (; l != mknull(); l = cdr(l)) { *--hp = o; *--hp = car(l);
@@ -18917,7 +18926,7 @@ case 391: /* clo ek r */
     /* r[4] */    
     /* r[5] */    
     r[6] = (r[10]);
-    goto s_loop_v11481;
+    goto s_loop_v11499;
   } else {
   if (((((r[1]) == obj_from_char('p')) || ((is_flonum_obj(r[1])) && (0))) && (1))) {
   if ((isnull((r[7])))) {
@@ -18938,19 +18947,19 @@ case 391: /* clo ek r */
     rc = 4;
     goto jump;
   } else {
-    { fixnum_t v14192_tmp;
+    { fixnum_t v14210_tmp;
     { /* length */
     int n; obj l = r[7];  
     for (n = 0; l != mknull(); ++n, l = cdr(l)) ;
-    v14192_tmp = (n); }
-    r[13] = obj_from_fixnum(fxsub((v14192_tmp), (+1))); }
-    { fixnum_t v14193_tmp;
+    v14210_tmp = (n); }
+    r[13] = obj_from_fixnum(fxsub((v14210_tmp), (+1))); }
+    { fixnum_t v14211_tmp;
     { /* length */
     int n; obj l = r[7];  
     for (n = 0; l != mknull(); ++n, l = cdr(l)) ;
-    v14193_tmp = (n); }
+    v14211_tmp = (n); }
     { /* reverse */
-    obj l, o = mknull(); int c = (v14193_tmp);
+    obj l, o = mknull(); int c = (v14211_tmp);
     hreserve(hbsz(3)*c, 14); /* 14 live regs */
     l = r[7];   /* gc-safe */
     for (; l != mknull(); l = cdr(l)) { *--hp = o; *--hp = car(l);
@@ -18970,7 +18979,7 @@ case 391: /* clo ek r */
     /* r[4] */    
     /* r[5] */    
     r[6] = (r[10]);
-    goto s_loop_v11456;
+    goto s_loop_v11474;
   }
   } else {
   if (((((r[1]) == obj_from_char('m')) || ((is_flonum_obj(r[1])) && (0))) && (1))) {
@@ -18999,19 +19008,19 @@ case 391: /* clo ek r */
     rc = 4;
     goto jump;
   } else {
-    { fixnum_t v14190_tmp;
+    { fixnum_t v14208_tmp;
     { /* length */
     int n; obj l = r[7];  
     for (n = 0; l != mknull(); ++n, l = cdr(l)) ;
-    v14190_tmp = (n); }
-    r[13] = obj_from_fixnum(fxsub((v14190_tmp), (+1))); }
-    { fixnum_t v14191_tmp;
+    v14208_tmp = (n); }
+    r[13] = obj_from_fixnum(fxsub((v14208_tmp), (+1))); }
+    { fixnum_t v14209_tmp;
     { /* length */
     int n; obj l = r[7];  
     for (n = 0; l != mknull(); ++n, l = cdr(l)) ;
-    v14191_tmp = (n); }
+    v14209_tmp = (n); }
     { /* reverse */
-    obj l, o = mknull(); int c = (v14191_tmp);
+    obj l, o = mknull(); int c = (v14209_tmp);
     hreserve(hbsz(3)*c, 14); /* 14 live regs */
     l = r[7];   /* gc-safe */
     for (; l != mknull(); l = cdr(l)) { *--hp = o; *--hp = car(l);
@@ -19031,23 +19040,23 @@ case 391: /* clo ek r */
     /* r[4] */    
     /* r[5] */    
     r[6] = (r[10]);
-    goto s_loop_v11420;
+    goto s_loop_v11438;
   }
   } else {
   if (((((r[1]) == obj_from_char('c')) || ((is_flonum_obj(r[1])) && (0))) && (1))) {
-    { fixnum_t v14188_tmp;
+    { fixnum_t v14206_tmp;
     { /* length */
     int n; obj l = r[7];  
     for (n = 0; l != mknull(); ++n, l = cdr(l)) ;
-    v14188_tmp = (n); }
-    r[13] = obj_from_fixnum(fxsub((v14188_tmp), (+1))); }
-    { fixnum_t v14189_tmp;
+    v14206_tmp = (n); }
+    r[13] = obj_from_fixnum(fxsub((v14206_tmp), (+1))); }
+    { fixnum_t v14207_tmp;
     { /* length */
     int n; obj l = r[7];  
     for (n = 0; l != mknull(); ++n, l = cdr(l)) ;
-    v14189_tmp = (n); }
+    v14207_tmp = (n); }
     { /* reverse */
-    obj l, o = mknull(); int c = (v14189_tmp);
+    obj l, o = mknull(); int c = (v14207_tmp);
     hreserve(hbsz(3)*c, 14); /* 14 live regs */
     l = r[7];   /* gc-safe */
     for (; l != mknull(); l = cdr(l)) { *--hp = o; *--hp = car(l);
@@ -19078,19 +19087,19 @@ case 391: /* clo ek r */
     goto gs_codegen;
   } else {
   if (((((r[1]) == obj_from_char('x')) || ((is_flonum_obj(r[1])) && (0))) && (1))) {
-    { fixnum_t v14186_tmp;
+    { fixnum_t v14204_tmp;
     { /* length */
     int n; obj l = r[7];  
     for (n = 0; l != mknull(); ++n, l = cdr(l)) ;
-    v14186_tmp = (n); }
-    r[13] = obj_from_fixnum(fxsub((v14186_tmp), (+1))); }
-    { fixnum_t v14187_tmp;
+    v14204_tmp = (n); }
+    r[13] = obj_from_fixnum(fxsub((v14204_tmp), (+1))); }
+    { fixnum_t v14205_tmp;
     { /* length */
     int n; obj l = r[7];  
     for (n = 0; l != mknull(); ++n, l = cdr(l)) ;
-    v14187_tmp = (n); }
+    v14205_tmp = (n); }
     { /* reverse */
-    obj l, o = mknull(); int c = (v14187_tmp);
+    obj l, o = mknull(); int c = (v14205_tmp);
     hreserve(hbsz(3)*c, 14); /* 14 live regs */
     l = r[7];   /* gc-safe */
     for (; l != mknull(); l = cdr(l)) { *--hp = o; *--hp = car(l);
@@ -19110,7 +19119,7 @@ case 391: /* clo ek r */
     /* r[4] */    
     /* r[5] */    
     r[6] = (r[10]);
-    goto s_loop_v11366;
+    goto s_loop_v11384;
   } else {
   if (((((r[1]) == obj_from_char('u')) || ((is_flonum_obj(r[1])) && (0))) && (1))) {
     hreserve(hbsz(3+1), 13); /* 13 live regs */
@@ -19247,13 +19256,13 @@ case 391: /* clo ek r */
   }
   } else {
   if (((((r[1]) == obj_from_char('#')) || ((is_flonum_obj(r[1])) && (0))) && (1))) {
-    { fixnum_t v14185_tmp;
+    { fixnum_t v14203_tmp;
     { /* length */
     int n; obj l = r[7];  
     for (n = 0; l != mknull(); ++n, l = cdr(l)) ;
-    v14185_tmp = (n); }
+    v14203_tmp = (n); }
     { /* reverse */
-    obj l, o = mknull(); int c = (v14185_tmp);
+    obj l, o = mknull(); int c = (v14203_tmp);
     hreserve(hbsz(3)*c, 13); /* 13 live regs */
     l = r[7];   /* gc-safe */
     for (; l != mknull(); l = cdr(l)) { *--hp = o; *--hp = car(l);
@@ -19273,12 +19282,12 @@ case 391: /* clo ek r */
     /* r[4] */    
     /* r[5] */    
     r[6] = (r[10]);
-    goto s_loop_v11288;
+    goto s_loop_v11306;
   } else {
     r[13+0] = (cx_c_2Derror);
     pc = objptr_from_obj(r[13+0])[0];
     r[13+1] = (r[12]);
-    r[13+2] = (cx__232409);
+    r[13+2] = (cx__232412);
     r[13+3] = r[1];  
     r += 13; /* shift reg wnd */
     rreserve(MAX_HOSTREGS);
@@ -19327,7 +19336,7 @@ case 393: /* clo k args l */
     r[1+5] = p[3];
     r[1+6] = p[4]; }
     r += 1; /* shift reg. wnd */
-s_loop_v11481: /* k args l g s f port */
+s_loop_v11499: /* k args l g s f port */
   if ((isnull((r[1])))) {
     /* r[0] */    
     pc = objptr_from_obj(r[0])[0];
@@ -19439,7 +19448,7 @@ case 397: /* clo k args l */
     r[1+5] = p[3];
     r[1+6] = p[4]; }
     r += 1; /* shift reg. wnd */
-s_loop_v11456: /* k args l g s f port */
+s_loop_v11474: /* k args l g s f port */
   if ((isnull((r[1])))) {
     /* r[0] */    
     pc = objptr_from_obj(r[0])[0];
@@ -19525,11 +19534,11 @@ case 399: /* clo ek . */
     /* r[2] */    
     /* r[3] */    
     /* r[4] */    
-    goto s_loop_v11447;
+    goto s_loop_v11465;
 
-s_loop_v11447: /* k i r port opc */
-    { const fixnum_t v14184_i = fixnum_from_obj(r[1]);
-  if (((v14184_i) >= fixnum_from_obj(r[4]))) {
+s_loop_v11465: /* k i r port opc */
+    { const fixnum_t v14202_i = fixnum_from_obj(r[1]);
+  if (((v14202_i) >= fixnum_from_obj(r[4]))) {
     /* r[0] */    
     pc = objptr_from_obj(r[0])[0];
     r[1] = obj_from_ktrap();
@@ -19540,11 +19549,11 @@ s_loop_v11447: /* k i r port opc */
   } else {
     (void)(oportputs(stringchars((r[2])), (r[3])));
     /* r[0] */    
-    r[1] = obj_from_fixnum(fxadd((v14184_i), (+1)));
+    r[1] = obj_from_fixnum(fxadd((v14202_i), (+1)));
     /* r[2] */    
     /* r[3] */    
     /* r[4] */    
-    goto s_loop_v11447;
+    goto s_loop_v11465;
   } } 
 
 case 400: /* clo ek r */
@@ -19602,7 +19611,7 @@ case 402: /* clo k args l */
     r[1+5] = p[3];
     r[1+6] = p[4]; }
     r += 1; /* shift reg. wnd */
-s_loop_v11420: /* k args l g s f port */
+s_loop_v11438: /* k args l g s f port */
   if ((isnull((r[1])))) {
     /* r[0] */    
     pc = objptr_from_obj(r[0])[0];
@@ -19688,11 +19697,11 @@ case 404: /* clo ek . */
     /* r[2] */    
     /* r[3] */    
     /* r[4] */    
-    goto s_loop_v11411;
+    goto s_loop_v11429;
 
-s_loop_v11411: /* k i r port opc */
-    { const fixnum_t v14183_i = fixnum_from_obj(r[1]);
-  if (((v14183_i) >= fixnum_from_obj(r[4]))) {
+s_loop_v11429: /* k i r port opc */
+    { const fixnum_t v14201_i = fixnum_from_obj(r[1]);
+  if (((v14201_i) >= fixnum_from_obj(r[4]))) {
     /* r[0] */    
     pc = objptr_from_obj(r[0])[0];
     r[1] = obj_from_ktrap();
@@ -19703,11 +19712,11 @@ s_loop_v11411: /* k i r port opc */
   } else {
     (void)(oportputs(stringchars((r[2])), (r[3])));
     /* r[0] */    
-    r[1] = obj_from_fixnum(fxadd((v14183_i), (+1)));
+    r[1] = obj_from_fixnum(fxadd((v14201_i), (+1)));
     /* r[2] */    
     /* r[3] */    
     /* r[4] */    
-    goto s_loop_v11411;
+    goto s_loop_v11429;
   } } 
 
 case 405: /* clo ek . */
@@ -19749,7 +19758,7 @@ case 405: /* clo ek . */
     r[14+6] = (r[10]);
     r += 14; /* shift reg wnd */
     rreserve(MAX_HOSTREGS);
-    goto s_loop_v11392;
+    goto s_loop_v11410;
 
 case 406: /* clo k args l */
     assert(rc == 4);
@@ -19759,7 +19768,7 @@ case 406: /* clo k args l */
     r[1+5] = p[3];
     r[1+6] = p[4]; }
     r += 1; /* shift reg. wnd */
-s_loop_v11392: /* k args l g s f port */
+s_loop_v11410: /* k args l g s f port */
   if ((isnull((r[1])))) {
     /* r[0] */    
     pc = objptr_from_obj(r[0])[0];
@@ -19852,11 +19861,11 @@ case 408: /* clo ek . */
     /* r[2] */    
     /* r[3] */    
     /* r[4] */    
-    goto s_loop_v11383;
+    goto s_loop_v11401;
 
-s_loop_v11383: /* k i r port opc */
-    { const fixnum_t v14182_i = fixnum_from_obj(r[1]);
-  if (((v14182_i) >= fixnum_from_obj(r[4]))) {
+s_loop_v11401: /* k i r port opc */
+    { const fixnum_t v14200_i = fixnum_from_obj(r[1]);
+  if (((v14200_i) >= fixnum_from_obj(r[4]))) {
     /* r[0] */    
     pc = objptr_from_obj(r[0])[0];
     r[1] = obj_from_ktrap();
@@ -19865,14 +19874,14 @@ s_loop_v11383: /* k i r port opc */
     rc = 3;
     goto jump;
   } else {
-    (void)(((v14182_i) == 0) ? ((0) ? obj_from_bool(0) : obj_from_void(0)) : obj_from_void(oportputc((';'), (r[3]))));
+    (void)(((v14200_i) == 0) ? ((0) ? obj_from_bool(0) : obj_from_void(0)) : obj_from_void(oportputc((';'), (r[3]))));
     (void)(oportputs(stringchars((r[2])), (r[3])));
     /* r[0] */    
-    r[1] = obj_from_fixnum(fxadd((v14182_i), (+1)));
+    r[1] = obj_from_fixnum(fxadd((v14200_i), (+1)));
     /* r[2] */    
     /* r[3] */    
     /* r[4] */    
-    goto s_loop_v11383;
+    goto s_loop_v11401;
   } } 
 
 case 409: /* clo k args l */
@@ -19883,7 +19892,7 @@ case 409: /* clo k args l */
     r[1+5] = p[3];
     r[1+6] = p[4]; }
     r += 1; /* shift reg. wnd */
-s_loop_v11366: /* k args l g s f port */
+s_loop_v11384: /* k args l g s f port */
   if ((isnull((r[1])))) {
     /* r[0] */    
     pc = objptr_from_obj(r[0])[0];
@@ -19969,11 +19978,11 @@ case 411: /* clo ek . */
     /* r[2] */    
     /* r[3] */    
     /* r[4] */    
-    goto s_loop_v11357;
+    goto s_loop_v11375;
 
-s_loop_v11357: /* k i r port opc */
-    { const fixnum_t v14181_i = fixnum_from_obj(r[1]);
-  if (((v14181_i) >= fixnum_from_obj(r[4]))) {
+s_loop_v11375: /* k i r port opc */
+    { const fixnum_t v14199_i = fixnum_from_obj(r[1]);
+  if (((v14199_i) >= fixnum_from_obj(r[4]))) {
     /* r[0] */    
     pc = objptr_from_obj(r[0])[0];
     r[1] = obj_from_ktrap();
@@ -19984,11 +19993,11 @@ s_loop_v11357: /* k i r port opc */
   } else {
     (void)(oportputs(stringchars((r[2])), (r[3])));
     /* r[0] */    
-    r[1] = obj_from_fixnum(fxadd((v14181_i), (+1)));
+    r[1] = obj_from_fixnum(fxadd((v14199_i), (+1)));
     /* r[2] */    
     /* r[3] */    
     /* r[4] */    
-    goto s_loop_v11357;
+    goto s_loop_v11375;
   } } 
 
 case 412: /* clo ek . */
@@ -20228,7 +20237,7 @@ case 421: /* clo k args l */
     r[1+5] = p[3];
     r[1+6] = p[4]; }
     r += 1; /* shift reg. wnd */
-s_loop_v11288: /* k args l g s f port */
+s_loop_v11306: /* k args l g s f port */
   if ((isnull((r[1])))) {
     /* r[0] */    
     pc = objptr_from_obj(r[0])[0];
@@ -20331,19 +20340,19 @@ case 424: /* clo k exp args */
     r[9] = (car((r[9])));
     r[9] = obj_from_bool(islist((r[9])));
   if (bool_from_obj(r[9])) {
-    { fixnum_t v14180_tmp;
-    { fixnum_t v14179_tmp;
+    { fixnum_t v14198_tmp;
+    { fixnum_t v14197_tmp;
     { /* length */
     int n; obj l = r[2];  
     for (n = 0; l != mknull(); ++n, l = cdr(l)) ;
-    v14180_tmp = (n); }
+    v14198_tmp = (n); }
     r[9] = (cdr((r[1])));
     r[9] = (car((r[9])));
     { /* length */
     int n; obj l = r[9];  
     for (n = 0; l != mknull(); ++n, l = cdr(l)) ;
-    v14179_tmp = (n); }
-    r[9] = obj_from_bool((v14180_tmp) == (v14179_tmp)); } }
+    v14197_tmp = (n); }
+    r[9] = obj_from_bool((v14198_tmp) == (v14197_tmp)); } }
   } else {
     r[9] = obj_from_bool(0);
   }
@@ -20351,13 +20360,13 @@ case 424: /* clo k exp args */
     r[9] = obj_from_bool(0);
   }
   if (bool_from_obj(r[9])) {
-    { fixnum_t v14178_tmp;
+    { fixnum_t v14196_tmp;
     { /* length */
     int n; obj l = r[2];  
     for (n = 0; l != mknull(); ++n, l = cdr(l)) ;
-    v14178_tmp = (n); }
+    v14196_tmp = (n); }
     { /* reverse */
-    obj l, o = mknull(); int c = (v14178_tmp);
+    obj l, o = mknull(); int c = (v14196_tmp);
     hreserve(hbsz(3)*c, 9); /* 9 live regs */
     l = r[2];   /* gc-safe */
     for (; l != mknull(); l = cdr(l)) { *--hp = o; *--hp = car(l);
@@ -20384,16 +20393,16 @@ case 424: /* clo k exp args */
     r[11+6] = r[4];  
     r += 11; /* shift reg wnd */
     rreserve(MAX_HOSTREGS);
-    goto s_loop_v11257;
+    goto s_loop_v11275;
   } else {
   if (bool_from_obj(r[7])) {
-    { fixnum_t v14177_tmp;
+    { fixnum_t v14195_tmp;
     { /* length */
     int n; obj l = r[2];  
     for (n = 0; l != mknull(); ++n, l = cdr(l)) ;
-    v14177_tmp = (n); }
+    v14195_tmp = (n); }
     { /* reverse */
-    obj l, o = mknull(); int c = (v14177_tmp);
+    obj l, o = mknull(); int c = (v14195_tmp);
     hreserve(hbsz(3)*c, 9); /* 9 live regs */
     l = r[2];   /* gc-safe */
     for (; l != mknull(); l = cdr(l)) { *--hp = o; *--hp = car(l);
@@ -20416,17 +20425,17 @@ case 424: /* clo k exp args */
     r[11+7] = r[1];  
     r += 11; /* shift reg wnd */
     rreserve(MAX_HOSTREGS);
-    goto s_loop_v11195;
+    goto s_loop_v11213;
   } else {
     (void)(oportputc((36), (r[4])));
     (void)(oportputc(('{'), (r[4])));
-    { fixnum_t v14176_tmp;
+    { fixnum_t v14194_tmp;
     { /* length */
     int n; obj l = r[2];  
     for (n = 0; l != mknull(); ++n, l = cdr(l)) ;
-    v14176_tmp = (n); }
+    v14194_tmp = (n); }
     { /* reverse */
-    obj l, o = mknull(); int c = (v14176_tmp);
+    obj l, o = mknull(); int c = (v14194_tmp);
     hreserve(hbsz(3)*c, 9); /* 9 live regs */
     l = r[2];   /* gc-safe */
     for (; l != mknull(); l = cdr(l)) { *--hp = o; *--hp = car(l);
@@ -20460,7 +20469,7 @@ case 424: /* clo k exp args */
     r[12+7] = r[1];  
     r += 12; /* shift reg wnd */
     rreserve(MAX_HOSTREGS);
-    goto s_loop_v11170;
+    goto s_loop_v11188;
   }
   }
 
@@ -20472,7 +20481,7 @@ case 425: /* clo k args l */
     r[1+5] = p[3];
     r[1+6] = p[4]; }
     r += 1; /* shift reg. wnd */
-s_loop_v11257: /* k args l g s f port */
+s_loop_v11275: /* k args l g s f port */
   if ((isnull((r[1])))) {
     /* r[0] */    
     pc = objptr_from_obj(r[0])[0];
@@ -20656,13 +20665,13 @@ case 430: /* clo ek r */
     r[1+11] = p[10]; }
     r += 1; /* shift reg. wnd */
     /* ek r r port args g f exp k k l ids */
-    { fixnum_t v14175_tmp;
+    { fixnum_t v14193_tmp;
     { /* length */
     int n; obj l = (r[11]);
     for (n = 0; l != mknull(); ++n, l = cdr(l)) ;
-    v14175_tmp = (n); }
+    v14193_tmp = (n); }
     { /* append */
-    obj t, l, o, *p, *d; int c = (v14175_tmp);
+    obj t, l, o, *p, *d; int c = (v14193_tmp);
     hreserve(hbsz(3)*c, 12); /* 12 live regs */
     l = (r[11]); t = (r[10]); /* gc-safe */
     o = t; p = &o; 
@@ -20690,7 +20699,7 @@ case 430: /* clo ek r */
     r[14+4] = r[2];  
     r += 14; /* shift reg wnd */
     rreserve(MAX_HOSTREGS);
-    goto s_loop_v11228;
+    goto s_loop_v11246;
 
 case 431: /* clo k ids n */
     assert(rc == 4);
@@ -20698,7 +20707,7 @@ case 431: /* clo k ids n */
     r[1+3] = p[1];
     r[1+4] = p[2]; }
     r += 1; /* shift reg. wnd */
-s_loop_v11228: /* k ids n port r */
+s_loop_v11246: /* k ids n port r */
   if ((isnull((r[1])))) {
     /* r[0] */    
     pc = objptr_from_obj(r[0])[0];
@@ -20742,7 +20751,7 @@ s_loop_v11228: /* k ids n port r */
     r[7+5] = r[0];  
     r += 7; /* shift reg wnd */
     rreserve(MAX_HOSTREGS);
-    goto s_l_v11230;
+    goto s_l_v11248;
   }
   }
 
@@ -20755,7 +20764,7 @@ case 432: /* clo ek . */
     r[1+4] = p[3];
     r[1+5] = p[4]; }
     r += 1; /* shift reg. wnd */
-s_l_v11230: /* ek . loop n ids k */
+s_l_v11248: /* ek . loop n ids k */
     r[0] = r[2];  
     pc = objptr_from_obj(r[0])[0];
     r[1] = r[5];  
@@ -20781,12 +20790,12 @@ case 433: /* clo ek . */
     r += 1; /* shift reg. wnd */
     /* ek . port args g r f newl exp k k */
   if (bool_from_obj(r[10])) {
-    { fixnum_t v14174_tmp;
+    { fixnum_t v14192_tmp;
     { /* length */
     int n; obj l = r[3];  
     for (n = 0; l != mknull(); ++n, l = cdr(l)) ;
-    v14174_tmp = (n); }
-    r[11] = obj_from_fixnum(fxadd(fixnum_from_obj(r[10]), (v14174_tmp))); }
+    v14192_tmp = (n); }
+    r[11] = obj_from_fixnum(fxadd(fixnum_from_obj(r[10]), (v14192_tmp))); }
     r[12+0] = r[9];  
     r[12+1] = r[8];  
     r[12+2] = r[7];  
@@ -20846,7 +20855,7 @@ case 435: /* clo k args l */
     r[1+6] = p[4];
     r[1+7] = p[5]; }
     r += 1; /* shift reg. wnd */
-s_loop_v11195: /* k args l port g s f exp */
+s_loop_v11213: /* k args l port g s f exp */
   if ((isnull((r[1])))) {
     r[8+0] = r[0];  
     r[8+1] = r[7];  
@@ -20965,7 +20974,7 @@ case 439: /* clo k args l */
     r[1+6] = p[4];
     r[1+7] = p[5]; }
     r += 1; /* shift reg. wnd */
-s_loop_v11170: /* k args l port g s f exp */
+s_loop_v11188: /* k args l port g s f exp */
   if ((isnull((r[1])))) {
     r[8+0] = r[0];  
     r[8+1] = r[7];  
@@ -21104,7 +21113,7 @@ case 444: /* clo k tail */
     r[3+0] = (cx_c_2Derror);
     pc = objptr_from_obj(r[3+0])[0];
     r[3+1] = r[0];  
-    r[3+2] = (cx__232062);
+    r[3+2] = (cx__232065);
     r[3+3] = r[2];  
     r += 3; /* shift reg wnd */
     rreserve(MAX_HOSTREGS);
@@ -21325,17 +21334,17 @@ gs_display_2Dcode: /* k cstr oport */
     r[3+4] = r[2];  
     r += 3; /* shift reg wnd */
     rreserve(MAX_HOSTREGS);
-    goto s_loop_v11069;
+    goto s_loop_v11087;
 
-s_loop_v11069: /* k i l cstr oport */
-    { const fixnum_t v14173_i = fixnum_from_obj(r[1]);
-  if (((fxsub(fixnum_from_obj(r[2]), (v14173_i))) <= (+70))) {
-    (void)(oportputcircular((cx__233024), (r[4]), 1));
+s_loop_v11087: /* k i l cstr oport */
+    { const fixnum_t v14191_i = fixnum_from_obj(r[1]);
+  if (((fxsub(fixnum_from_obj(r[2]), (v14191_i))) <= (+70))) {
+    (void)(oportputcircular((cx__233027), (r[4]), 1));
     { /* substring */
-    int *d = substring(stringdata((r[3])), (v14173_i), fixnum_from_obj(r[2]));
+    int *d = substring(stringdata((r[3])), (v14191_i), fixnum_from_obj(r[2]));
     r[5] = (hpushstr(5, d)); }
     (void)(oportputcircular((r[5]), (cx__2Acurrent_2Doutput_2Dport_2A), 1));
-    r[5] = obj_from_void(oportputcircular((cx__233028), (r[4]), 1));
+    r[5] = obj_from_void(oportputcircular((cx__233031), (r[4]), 1));
     /* r[0] */    
     pc = objptr_from_obj(r[0])[0];
     r[1] = obj_from_ktrap();
@@ -21344,18 +21353,18 @@ s_loop_v11069: /* k i l cstr oport */
     rc = 3;
     goto jump;
   } else {
-    (void)(oportputcircular((cx__233024), (r[4]), 1));
+    (void)(oportputcircular((cx__233027), (r[4]), 1));
     { /* substring */
-    int *d = substring(stringdata((r[3])), (v14173_i), (fxadd((v14173_i), (+70))));
+    int *d = substring(stringdata((r[3])), (v14191_i), (fxadd((v14191_i), (+70))));
     r[5] = (hpushstr(5, d)); }
     (void)(oportputcircular((r[5]), (cx__2Acurrent_2Doutput_2Dport_2A), 1));
-    (void)(oportputcircular((cx__233019), (r[4]), 1));
+    (void)(oportputcircular((cx__233022), (r[4]), 1));
     /* r[0] */    
-    r[1] = obj_from_fixnum(fxadd((v14173_i), (+70)));
+    r[1] = obj_from_fixnum(fxadd((v14191_i), (+70)));
     /* r[2] */    
     /* r[3] */    
     /* r[4] */    
-    goto s_loop_v11069;
+    goto s_loop_v11087;
   } } 
 
 case 456: /* process-syntax k id xval oport */
@@ -21363,9 +21372,9 @@ case 456: /* process-syntax k id xval oport */
     r += 1; /* shift reg. wnd */
     /* k id xval oport */
     (void)(oportputc('\n', (r[3])));
-    (void)(oportputcircular((cx__233053), (r[3]), 1));
+    (void)(oportputcircular((cx__233056), (r[3]), 1));
     (void)(oportputcircular((r[1]), (r[3]), 1));
-    (void)(oportputcircular((cx__233052), (r[3]), 1));
+    (void)(oportputcircular((cx__233055), (r[3]), 1));
     { /* open-output-string */
     r[4] = (mkoport_string(4, newcb())); }
     hreserve(hbsz(3+1), 5); /* 5 live regs */
@@ -21425,12 +21434,12 @@ case 459: /* process-alias k id oldid oport */
     r += 1; /* shift reg. wnd */
     /* k id oldid oport */
     (void)(oportputc('\n', (r[3])));
-    (void)(oportputcircular((cx__233063), (r[3]), 1));
+    (void)(oportputcircular((cx__233066), (r[3]), 1));
     (void)(oportputcircular((r[1]), (r[3]), 1));
-    (void)(oportputcircular((cx__233028), (r[3]), 1));
-    (void)(oportputcircular((cx__233062), (r[3]), 1));
+    (void)(oportputcircular((cx__233031), (r[3]), 1));
+    (void)(oportputcircular((cx__233065), (r[3]), 1));
     (void)(oportputcircular((r[2]), (r[3]), 1));
-    r[4] = obj_from_void(oportputcircular((cx__233052), (r[3]), 1));
+    r[4] = obj_from_void(oportputcircular((cx__233055), (r[3]), 1));
     r[5+0] = r[0];  
     pc = objptr_from_obj(r[5+0])[0];
     r[5+1] = obj_from_ktrap();
@@ -21509,7 +21518,7 @@ case 462: /* clo ek . */
     r[6] = (hpushstr(6, newstring(cbdata(pcb)))); } }
     (void)(objptr_from_obj(r[4])[0] = (r[6]));
     (void)(oportputc('\n', (r[3])));
-    (void)(oportputcircular((cx__233074), (r[3]), 1));
+    (void)(oportputcircular((cx__233077), (r[3]), 1));
     hreserve(hbsz(2+1), 7); /* 7 live regs */
     *--hp = r[3];  
     *--hp = r[2];  
@@ -21610,32 +21619,32 @@ case 466: /* clo ek . */
     else { cbuf_t *pcb = oportdata(o);
     r[8] = (hpushstr(8, newstring(cbdata(pcb)))); } }
     (void)(objptr_from_obj(r[6])[0] = (r[8]));
-    { fixnum_t v14168_len;
+    { fixnum_t v14186_len;
     r[9] = (objptr_from_obj(r[6])[0]);
-    v14168_len = (stringlen((r[9])));
+    v14186_len = (stringlen((r[9])));
     r[9] = (car((r[5])));
     r[9] = obj_from_bool((r[9]) == (mksymbol(internsym("lambda"))));
   if (bool_from_obj(r[9])) {
-  if (((v14168_len) > (+4))) {
-    { char_t v14172_tmp;
+  if (((v14186_len) > (+4))) {
+    { char_t v14190_tmp;
     r[9] = (objptr_from_obj(r[6])[0]);
-    v14172_tmp = (*(unsigned char*)stringref((r[9]), (+0)));
-    r[9] = obj_from_bool((v14172_tmp) == ('&')); }
+    v14190_tmp = (*(unsigned char*)stringref((r[9]), (+0)));
+    r[9] = obj_from_bool((v14190_tmp) == ('&')); }
   if (bool_from_obj(r[9])) {
-    { char_t v14171_tmp;
+    { char_t v14189_tmp;
     r[9] = (objptr_from_obj(r[6])[0]);
-    v14171_tmp = (*(unsigned char*)stringref((r[9]), (+1)));
-    r[9] = obj_from_bool((v14171_tmp) == ('0')); }
+    v14189_tmp = (*(unsigned char*)stringref((r[9]), (+1)));
+    r[9] = obj_from_bool((v14189_tmp) == ('0')); }
   if (bool_from_obj(r[9])) {
-    { char_t v14170_tmp;
+    { char_t v14188_tmp;
     r[9] = (objptr_from_obj(r[6])[0]);
-    v14170_tmp = (*(unsigned char*)stringref((r[9]), (+2)));
-    r[9] = obj_from_bool((v14170_tmp) == ('{')); }
+    v14188_tmp = (*(unsigned char*)stringref((r[9]), (+2)));
+    r[9] = obj_from_bool((v14188_tmp) == ('{')); }
   if (bool_from_obj(r[9])) {
-    { char_t v14169_tmp;
+    { char_t v14187_tmp;
     r[9] = (objptr_from_obj(r[6])[0]);
-    v14169_tmp = (*(unsigned char*)stringref((r[9]), (fxsub((v14168_len), (+1)))));
-    r[9] = obj_from_bool((v14169_tmp) == ('}')); }
+    v14187_tmp = (*(unsigned char*)stringref((r[9]), (fxsub((v14186_len), (+1)))));
+    r[9] = obj_from_bool((v14187_tmp) == ('}')); }
   } else {
     r[9] = obj_from_bool(0);
   }
@@ -21653,9 +21662,9 @@ case 466: /* clo ek . */
   }
   if (bool_from_obj(r[9])) {
     (void)(oportputc('\n', (r[4])));
-    (void)(oportputcircular((cx__233097), (r[4]), 1));
+    (void)(oportputcircular((cx__233100), (r[4]), 1));
     (void)(oportputcircular((r[3]), (r[4]), 1));
-    (void)(oportputcircular((cx__233052), (r[4]), 1));
+    (void)(oportputcircular((cx__233055), (r[4]), 1));
     hreserve(hbsz(2+1), 9); /* 9 live regs */
     *--hp = r[4];  
     *--hp = r[2];  
@@ -21663,7 +21672,7 @@ case 466: /* clo ek . */
     r[9] = (hendblk(2+1));
     r[10] = (objptr_from_obj(r[6])[0]);
     { /* substring */
-    int *d = substring(stringdata((r[10])), (+3), (fxsub((v14168_len), (+1))));
+    int *d = substring(stringdata((r[10])), (+3), (fxsub((v14186_len), (+1))));
     r[10] = (hpushstr(11, d)); }
     r[0] = r[9];  
     r[1] = (r[10]);
@@ -21770,7 +21779,7 @@ case 469: /* clo ek . */
     r[6] = (hpushstr(6, newstring(cbdata(pcb)))); } }
     (void)(objptr_from_obj(r[4])[0] = (r[6]));
     (void)(oportputc('\n', (r[3])));
-    (void)(oportputcircular((cx__233074), (r[3]), 1));
+    (void)(oportputcircular((cx__233077), (r[3]), 1));
     hreserve(hbsz(2+1), 7); /* 7 live regs */
     *--hp = r[3];  
     *--hp = r[2];  
@@ -21817,7 +21826,7 @@ gs_scan_2Dtop_2Dform: /* k x */
   if (bool_from_obj(r[2])) {
     r[2] = (cdr((r[1])));
     r[2] = (car((r[2])));
-    r[3] = ((obj)fopen(stringchars((r[2])), stringchars((cx__233166))));
+    r[3] = ((obj)fopen(stringchars((r[2])), stringchars((cx__233169))));
     hreserve(hbsz(1+1), 4); /* 4 live regs */
     *--hp = r[0];  
     *--hp = obj_from_case(472);
@@ -21829,12 +21838,12 @@ gs_scan_2Dtop_2Dform: /* k x */
     r[6+2] = r[0];  
     r += 6; /* shift reg wnd */
     rreserve(MAX_HOSTREGS);
-    goto s_l_v10925;
+    goto s_l_v10943;
   } else {
     r[5+0] = (cx_file_2Derror);
     pc = objptr_from_obj(r[5+0])[0];
     r[5+1] = r[4];  
-    r[5+2] = (cx__233170);
+    r[5+2] = (cx__233173);
     r[5+3] = r[2];  
     r += 5; /* shift reg wnd */
     rreserve(MAX_HOSTREGS);
@@ -21874,7 +21883,7 @@ case 472: /* clo ek r */
     { obj* p = objptr_from_obj(r[0]);
     r[1+2] = p[1]; }
     r += 1; /* shift reg. wnd */
-s_l_v10925: /* ek r k */
+s_l_v10943: /* ek r k */
     hreserve(hbsz(2+1), 3); /* 3 live regs */
     *--hp = r[2];  
     *--hp = r[1];  
@@ -21905,14 +21914,14 @@ case 473: /* clo ek r */
     r[0] = r[4];  
     /* r[1] */    
     /* r[2] */    
-    goto s_loop_v10934;
+    goto s_loop_v10952;
 
 case 474: /* clo k x */
     assert(rc == 3);
     { obj* p = objptr_from_obj(r[0]);
     r[1+2] = p[1]; }
     r += 1; /* shift reg. wnd */
-s_loop_v10934: /* k x r */
+s_loop_v10952: /* k x r */
   if ((iseof((r[1])))) {
     /* r[0] */    
     pc = objptr_from_obj(r[0])[0];
@@ -22003,7 +22012,7 @@ case 478: /* clo ek r */
     r[4] = (cdr((r[2])));
     r[0] = r[3];  
     r[1] = r[4];  
-    goto s_loop_v10909;
+    goto s_loop_v10927;
   } else {
   if (((r[1]) == (mksymbol(internsym("define-syntax"))))) {
     hreserve(hbsz(2+1), 4); /* 4 live regs */
@@ -22052,7 +22061,7 @@ case 478: /* clo ek r */
 case 479: /* clo k l */
     assert(rc == 3);
     r += 1; /* shift reg. wnd */
-s_loop_v10909: /* k l */
+s_loop_v10927: /* k l */
   if ((ispair((r[1])))) {
     hreserve(hbsz(0+1), 2); /* 2 live regs */
     *--hp = obj_from_case(479);
@@ -22158,7 +22167,7 @@ gs_process_2Dtop_2Dform: /* k x oport */
   if (bool_from_obj(r[3])) {
     r[3] = (cdr((r[1])));
     r[3] = (car((r[3])));
-    r[4] = ((obj)fopen(stringchars((r[3])), stringchars((cx__233166))));
+    r[4] = ((obj)fopen(stringchars((r[3])), stringchars((cx__233169))));
     hreserve(hbsz(1+1), 5); /* 5 live regs */
     *--hp = r[0];  
     *--hp = obj_from_case(485);
@@ -22170,12 +22179,12 @@ gs_process_2Dtop_2Dform: /* k x oport */
     r[7+2] = r[0];  
     r += 7; /* shift reg wnd */
     rreserve(MAX_HOSTREGS);
-    goto s_l_v10847;
+    goto s_l_v10865;
   } else {
     r[0] = (cx_file_2Derror);
     pc = objptr_from_obj(r[0])[0];
     r[1] = r[5];  
-    r[2] = (cx__233170);
+    r[2] = (cx__233173);
     /* r[3] */    
     rreserve(MAX_HOSTREGS);
     rc = 4;
@@ -22221,7 +22230,7 @@ case 485: /* clo ek r */
     { obj* p = objptr_from_obj(r[0]);
     r[1+2] = p[1]; }
     r += 1; /* shift reg. wnd */
-s_l_v10847: /* ek r k */
+s_l_v10865: /* ek r k */
     hreserve(hbsz(2+1), 3); /* 3 live regs */
     *--hp = r[2];  
     *--hp = r[1];  
@@ -22252,14 +22261,14 @@ case 486: /* clo ek r */
     r[0] = r[4];  
     /* r[1] */    
     /* r[2] */    
-    goto s_loop_v10856;
+    goto s_loop_v10874;
 
 case 487: /* clo k x */
     assert(rc == 3);
     { obj* p = objptr_from_obj(r[0]);
     r[1+2] = p[1]; }
     r += 1; /* shift reg. wnd */
-s_loop_v10856: /* k x r */
+s_loop_v10874: /* k x r */
   if ((iseof((r[1])))) {
     /* r[0] */    
     pc = objptr_from_obj(r[0])[0];
@@ -22352,7 +22361,7 @@ case 491: /* clo ek r */
     r[0] = r[4];  
     r[1] = r[5];  
     /* r[2] */    
-    goto s_loop_v10831;
+    goto s_loop_v10849;
   } else {
   if (((r[1]) == (mksymbol(internsym("define-syntax"))))) {
     hreserve(hbsz(3+1), 5); /* 5 live regs */
@@ -22430,7 +22439,7 @@ case 492: /* clo k x* */
     { obj* p = objptr_from_obj(r[0]);
     r[1+2] = p[1]; }
     r += 1; /* shift reg. wnd */
-s_loop_v10831: /* k x* oport */
+s_loop_v10849: /* k x* oport */
   if ((ispair((r[1])))) {
     hreserve(hbsz(1+1), 3); /* 3 live regs */
     *--hp = r[2];  
@@ -22530,12 +22539,12 @@ case 495: /* clo ek r */
     r[7] = (cdr((r[7])));
     r[7] = (car((r[7])));
     (void)(oportputc('\n', (r[2])));
-    (void)(oportputcircular((cx__233063), (r[2]), 1));
+    (void)(oportputcircular((cx__233066), (r[2]), 1));
     (void)(oportputcircular((r[6]), (r[2]), 1));
-    (void)(oportputcircular((cx__233028), (r[2]), 1));
-    (void)(oportputcircular((cx__233062), (r[2]), 1));
+    (void)(oportputcircular((cx__233031), (r[2]), 1));
+    (void)(oportputcircular((cx__233065), (r[2]), 1));
     (void)(oportputcircular((r[7]), (r[2]), 1));
-    r[6] = obj_from_void(oportputcircular((cx__233052), (r[2]), 1));
+    r[6] = obj_from_void(oportputcircular((cx__233055), (r[2]), 1));
     r[0] = r[3];  
     pc = objptr_from_obj(r[0])[0];
     r[1] = obj_from_ktrap();
@@ -22550,9 +22559,9 @@ case 495: /* clo ek r */
     r[7] = (cdr((r[7])));
     r[7] = (car((r[7])));
     (void)(oportputc('\n', (r[2])));
-    (void)(oportputcircular((cx__233053), (r[2]), 1));
+    (void)(oportputcircular((cx__233056), (r[2]), 1));
     (void)(oportputcircular((r[6]), (r[2]), 1));
-    (void)(oportputcircular((cx__233052), (r[2]), 1));
+    (void)(oportputcircular((cx__233055), (r[2]), 1));
     { /* open-output-string */
     r[8] = (mkoport_string(8, newcb())); }
     hreserve(hbsz(3+1), 9); /* 9 live regs */
@@ -22711,7 +22720,7 @@ case 502: /* clo ek . */
     r[6] = (hpushstr(6, newstring(cbdata(pcb)))); } }
     (void)(objptr_from_obj(r[4])[0] = (r[6]));
     (void)(oportputc('\n', (r[3])));
-    (void)(oportputcircular((cx__233074), (r[3]), 1));
+    (void)(oportputcircular((cx__233077), (r[3]), 1));
     hreserve(hbsz(2+1), 7); /* 7 live regs */
     *--hp = r[3];  
     *--hp = r[2];  
@@ -22810,7 +22819,7 @@ case 506: /* clo ek . */
     r[6] = (hpushstr(6, newstring(cbdata(pcb)))); } }
     (void)(objptr_from_obj(r[4])[0] = (r[6]));
     (void)(oportputc('\n', (r[3])));
-    (void)(oportputcircular((cx__233074), (r[3]), 1));
+    (void)(oportputcircular((cx__233077), (r[3]), 1));
     hreserve(hbsz(2+1), 7); /* 7 live regs */
     *--hp = r[3];  
     *--hp = r[2];  
@@ -22849,13 +22858,13 @@ gs_path_2Dstrip_2Ddirectory: /* k filename */
     while (c-- > 0) { *--hp = l; *--hp = obj_from_char(s[c]);
     *--hp = obj_from_size(PAIR_BTAG); l = hendblk(3); }
     r[2] = (l); }
-    { fixnum_t v14167_tmp;
+    { fixnum_t v14185_tmp;
     { /* length */
     int n; obj l = r[2];  
     for (n = 0; l != mknull(); ++n, l = cdr(l)) ;
-    v14167_tmp = (n); }
+    v14185_tmp = (n); }
     { /* reverse */
-    obj l, o = mknull(); int c = (v14167_tmp);
+    obj l, o = mknull(); int c = (v14185_tmp);
     hreserve(hbsz(3)*c, 3); /* 3 live regs */
     l = r[2];   /* gc-safe */
     for (; l != mknull(); l = cdr(l)) { *--hp = o; *--hp = car(l);
@@ -22864,17 +22873,17 @@ gs_path_2Dstrip_2Ddirectory: /* k filename */
     /* r[0] */    
     r[1] = r[2];  
     r[2] = (mknull());
-    goto s_loop_v10732;
+    goto s_loop_v10750;
 
-s_loop_v10732: /* k l r */
+s_loop_v10750: /* k l r */
   if ((isnull((r[1])))) {
-    { fixnum_t v14166_tmp;
+    { fixnum_t v14184_tmp;
     { /* length */
     int n; obj l = r[2];  
     for (n = 0; l != mknull(); ++n, l = cdr(l)) ;
-    v14166_tmp = (n); }
+    v14184_tmp = (n); }
     { /* list->string */
-    int i, c = (v14166_tmp); 
+    int i, c = (v14184_tmp); 
     obj o = hpushstr(3, allocstring(c, ' ')); /* 3 live regs */
     obj l = r[2];   /* gc-safe */
     unsigned char *s = (unsigned char *)stringchars(o);
@@ -22889,15 +22898,15 @@ s_loop_v10732: /* k l r */
     goto jump;
   } else {
     r[3] = (car((r[1])));
-    r[3] = (ismemv((r[3]), (cx__233292)));
+    r[3] = (ismemv((r[3]), (cx__233295)));
   if (bool_from_obj(r[3])) {
-    { fixnum_t v14165_tmp;
+    { fixnum_t v14183_tmp;
     { /* length */
     int n; obj l = r[2];  
     for (n = 0; l != mknull(); ++n, l = cdr(l)) ;
-    v14165_tmp = (n); }
+    v14183_tmp = (n); }
     { /* list->string */
-    int i, c = (v14165_tmp); 
+    int i, c = (v14183_tmp); 
     obj o = hpushstr(3, allocstring(c, ' ')); /* 3 live regs */
     obj l = r[2];   /* gc-safe */
     unsigned char *s = (unsigned char *)stringchars(o);
@@ -22922,7 +22931,7 @@ s_loop_v10732: /* k l r */
     /* r[0] */    
     r[1] = r[3];  
     r[2] = r[4];  
-    goto s_loop_v10732;
+    goto s_loop_v10750;
   }
   }
 
@@ -22938,13 +22947,13 @@ gs_path_2Dstrip_2Dextension: /* k filename */
     while (c-- > 0) { *--hp = l; *--hp = obj_from_char(s[c]);
     *--hp = obj_from_size(PAIR_BTAG); l = hendblk(3); }
     r[2] = (l); }
-    { fixnum_t v14162_tmp;
+    { fixnum_t v14180_tmp;
     { /* length */
     int n; obj l = r[2];  
     for (n = 0; l != mknull(); ++n, l = cdr(l)) ;
-    v14162_tmp = (n); }
+    v14180_tmp = (n); }
     { /* reverse */
-    obj l, o = mknull(); int c = (v14162_tmp);
+    obj l, o = mknull(); int c = (v14180_tmp);
     hreserve(hbsz(3)*c, 3); /* 3 live regs */
     l = r[2];   /* gc-safe */
     for (; l != mknull(); l = cdr(l)) { *--hp = o; *--hp = car(l);
@@ -22953,25 +22962,25 @@ gs_path_2Dstrip_2Dextension: /* k filename */
     r[3] = (ismemv(obj_from_char('.'), (r[2])));
   if (bool_from_obj(r[3])) {
     r[4] = (cdr((r[3])));
-    { fixnum_t v14163_tmp;
+    { fixnum_t v14181_tmp;
     { /* length */
     int n; obj l = r[4];  
     for (n = 0; l != mknull(); ++n, l = cdr(l)) ;
-    v14163_tmp = (n); }
+    v14181_tmp = (n); }
     { /* reverse */
-    obj l, o = mknull(); int c = (v14163_tmp);
+    obj l, o = mknull(); int c = (v14181_tmp);
     hreserve(hbsz(3)*c, 5); /* 5 live regs */
     l = r[4];   /* gc-safe */
     for (; l != mknull(); l = cdr(l)) { *--hp = o; *--hp = car(l);
     *--hp = obj_from_size(PAIR_BTAG); o = hendblk(3); }  
     r[4] = (o); } }
-    { fixnum_t v14164_tmp;
+    { fixnum_t v14182_tmp;
     { /* length */
     int n; obj l = r[4];  
     for (n = 0; l != mknull(); ++n, l = cdr(l)) ;
-    v14164_tmp = (n); }
+    v14182_tmp = (n); }
     { /* list->string */
-    int i, c = (v14164_tmp); 
+    int i, c = (v14182_tmp); 
     obj o = hpushstr(5, allocstring(c, ' ')); /* 5 live regs */
     obj l = r[4];   /* gc-safe */
     unsigned char *s = (unsigned char *)stringchars(o);
@@ -23044,7 +23053,7 @@ case 513: /* clo ek r */
     r[1+6] = p[5]; }
     r += 1; /* shift reg. wnd */
     /* ek r k oport mname iport fname */
-    r[7] = ((obj)fopen(stringchars((r[6])), stringchars((cx__233166))));
+    r[7] = ((obj)fopen(stringchars((r[6])), stringchars((cx__233169))));
     hreserve(hbsz(6+1), 8); /* 8 live regs */
     *--hp = r[5];  
     *--hp = r[1];  
@@ -23066,12 +23075,12 @@ case 513: /* clo ek r */
     r[10+7] = r[5];  
     r += 10; /* shift reg wnd */
     rreserve(MAX_HOSTREGS);
-    goto s_l_v10664;
+    goto s_l_v10682;
   } else {
     r[0] = (cx_file_2Derror);
     pc = objptr_from_obj(r[0])[0];
     r[1] = r[8];  
-    r[2] = (cx__233170);
+    r[2] = (cx__233173);
     r[3] = r[6];  
     rreserve(MAX_HOSTREGS);
     rc = 4;
@@ -23088,13 +23097,13 @@ case 514: /* clo ek r */
     r[1+6] = p[5];
     r[1+7] = p[6]; }
     r += 1; /* shift reg. wnd */
-s_l_v10664: /* ek r fname k oport mname r iport */
+s_l_v10682: /* ek r fname k oport mname r iport */
     (void)(objptr_from_obj(r[7])[0] = (r[1]));
     (void)(objptr_from_obj(r[5])[0] = (r[6]));
-    (void)(oportputcircular((cx__233346), (r[4]), 1));
+    (void)(oportputcircular((cx__233349), (r[4]), 1));
     r[8] = (objptr_from_obj(r[5])[0]);
     (void)(oportputcircular((r[8]), (r[4]), 1));
-    (void)(oportputcircular((cx__233345), (r[4]), 1));
+    (void)(oportputcircular((cx__233348), (r[4]), 1));
     hreserve(hbsz(4+1), 8); /* 8 live regs */
     *--hp = r[4];  
     *--hp = r[5];  
@@ -23116,13 +23125,13 @@ case 515: /* clo ek r */
     r += 1; /* shift reg. wnd */
     /* ek r iport k mname oport */
     (void)(oportputcircular((r[1]), (r[5]), 1));
-    (void)(oportputcircular((cx__233344), (r[5]), 1));
+    (void)(oportputcircular((cx__233347), (r[5]), 1));
     (void)(oportputc('\n', (r[5])));
     (void)(oportputc('\n', (r[5])));
-    (void)(oportputcircular((cx__233343), (r[5]), 1));
+    (void)(oportputcircular((cx__233346), (r[5]), 1));
     r[6] = (objptr_from_obj(r[4])[0]);
     (void)(oportputcircular((r[6]), (r[5]), 1));
-    (void)(oportputcircular((cx__233342), (r[5]), 1));
+    (void)(oportputcircular((cx__233345), (r[5]), 1));
     (void)(oportputc('\n', (r[5])));
     hreserve(hbsz(3+1), 6); /* 6 live regs */
     *--hp = r[5];  
@@ -23159,7 +23168,7 @@ case 516: /* clo ek r */
     r[6+3] = r[2];  
     r += 6; /* shift reg wnd */
     rreserve(MAX_HOSTREGS);
-    goto s_loop_v10675;
+    goto s_loop_v10693;
 
 case 517: /* clo k x */
     assert(rc == 3);
@@ -23167,7 +23176,7 @@ case 517: /* clo k x */
     r[1+2] = p[1];
     r[1+3] = p[2]; }
     r += 1; /* shift reg. wnd */
-s_loop_v10675: /* k x oport iport */
+s_loop_v10693: /* k x oport iport */
   if ((iseof((r[1])))) {
     /* r[0] */    
     pc = objptr_from_obj(r[0])[0];
@@ -23242,7 +23251,7 @@ case 520: /* clo ek . */
     r[1+4] = p[3]; }
     r += 1; /* shift reg. wnd */
     /* ek . iport k oport */
-    (void)(oportputcircular((cx__233334), (r[4]), 1));
+    (void)(oportputcircular((cx__233337), (r[4]), 1));
     r[0] = (cx_close_2Dinput_2Dport);
     pc = objptr_from_obj(r[0])[0];
     r[1] = r[3];  
@@ -23317,11 +23326,11 @@ case 524: /* clo ek . */
     r[2] = obj_from_void(0); /* ignored */
     r += 1; /* shift reg. wnd */
     /* ek . */
-    cx_test1 = (cx__233373);
-    cx_test2 = (cx__233643);
-    cx_test3 = (cx__233845);
-    cx_test4 = (cx__234247);
-    cx_test5 = (cx__234377);
+    cx_test1 = (cx__233376);
+    cx_test2 = (cx__233646);
+    cx_test3 = (cx__233848);
+    cx_test4 = (cx__234250);
+    cx_test5 = (cx__234380);
     cx__2Averbose_2A = obj_from_bool(0);
     cx__2Areset_2A = obj_from_bool(0);
     { static obj c[] = { obj_from_case(525) }; cx_error_2A = (obj)c; }
@@ -23357,7 +23366,7 @@ gs_error_2A: /* k msg args */
     r[0] = r[4];  
     r[1] = r[2];  
     r[2] = r[3];  
-    goto s_loop_v10632;
+    goto s_loop_v10650;
   } else {
     { /* cons */ 
     hreserve(hbsz(3), 3); /* 3 live regs */
@@ -23376,7 +23385,7 @@ gs_error_2A: /* k msg args */
     goto jump;
   }
 
-s_loop_v10632: /* k l p */
+s_loop_v10650: /* k l p */
   if ((ispair((r[1])))) {
     r[3] = (car((r[1])));
     (void)(oportputcircular((r[3]), (r[2]), 0));
@@ -23385,7 +23394,7 @@ s_loop_v10632: /* k l p */
     /* r[0] */    
     r[1] = r[3];  
     /* r[2] */    
-    goto s_loop_v10632;
+    goto s_loop_v10650;
   } else {
     /* r[0] */    
     pc = objptr_from_obj(r[0])[0];
@@ -23420,7 +23429,7 @@ gs_run_2Dtests: /* k */
     r[1] = (hendblk(1));
     r[2] = obj_from_flonum(2, clock());
     (void)(objptr_from_obj(r[1])[0] = (r[2]));
-    (void)(oportputcircular((cx__234810), (cx__2Acurrent_2Doutput_2Dport_2A), 1));
+    (void)(oportputcircular((cx__234813), (cx__2Acurrent_2Doutput_2Dport_2A), 1));
     (void)(oportputc('\n', (cx__2Acurrent_2Doutput_2Dport_2A)));
     hreserve(hbsz(2+1), 2); /* 2 live regs */
     *--hp = r[1];  
@@ -23512,23 +23521,23 @@ case 532: /* clo ek r */
     /* ek r k start */
     (void)(oportputcircular((r[1]), (cx__2Acurrent_2Doutput_2Dport_2A), 0));
     (void)(oportputc('\n', (cx__2Acurrent_2Doutput_2Dport_2A)));
-    (void)(oportputcircular((cx__234809), (cx__2Acurrent_2Doutput_2Dport_2A), 1));
-    { flonum_t v14160_b;
-    { flonum_t v14159_a;
-    { const flonum_t v14158_b = (CLOCKS_PER_SEC);
-    { const flonum_t v14156_a = (clock());
+    (void)(oportputcircular((cx__234812), (cx__2Acurrent_2Doutput_2Dport_2A), 1));
+    { flonum_t v14178_b;
+    { flonum_t v14177_a;
+    { const flonum_t v14176_b = (CLOCKS_PER_SEC);
+    { const flonum_t v14174_a = (clock());
     r[4] = (objptr_from_obj(r[3])[0]);
   if ((is_fixnum_obj(r[4]))) {
-    { const flonum_t v14157_tmp = ((flonum_t)fixnum_from_obj(r[4]));
-    v14159_a = ((v14156_a) - (v14157_tmp)); } 
+    { const flonum_t v14175_tmp = ((flonum_t)fixnum_from_obj(r[4]));
+    v14177_a = ((v14174_a) - (v14175_tmp)); } 
   } else {
-    v14159_a = ((v14156_a) - flonum_from_obj(r[4]));
+    v14177_a = ((v14174_a) - flonum_from_obj(r[4]));
   } } 
-    v14160_b = ((v14159_a) / (v14158_b)); }  }
-    { const flonum_t v14161_tmp = ((flonum_t)(+1000));
-    r[4] = obj_from_flonum(4, (v14161_tmp) * (v14160_b)); }  }
+    v14178_b = ((v14177_a) / (v14176_b)); }  }
+    { const flonum_t v14179_tmp = ((flonum_t)(+1000));
+    r[4] = obj_from_flonum(4, (v14179_tmp) * (v14178_b)); }  }
     (void)(oportputcircular((r[4]), (cx__2Acurrent_2Doutput_2Dport_2A), 0));
-    (void)(oportputcircular((cx__234785), (cx__2Acurrent_2Doutput_2Dport_2A), 1));
+    (void)(oportputcircular((cx__234788), (cx__2Acurrent_2Doutput_2Dport_2A), 1));
     r[4] = obj_from_void(oportputc('\n', (cx__2Acurrent_2Doutput_2Dport_2A)));
     r[0] = r[2];  
     pc = objptr_from_obj(r[0])[0];
@@ -23564,7 +23573,7 @@ case 534: /* clo ek r */
     r += 1; /* shift reg. wnd */
     /* ek r k */
   if (bool_from_obj(cx__2Averbose_2A)) {
-    (void)(oportputcircular((cx__234882), (cx__2Acurrent_2Doutput_2Dport_2A), 1));
+    (void)(oportputcircular((cx__234885), (cx__2Acurrent_2Doutput_2Dport_2A), 1));
     (void)(oportputc('\n', (cx__2Acurrent_2Doutput_2Dport_2A)));
     (void)(oportputcircular((r[1]), (cx__2Acurrent_2Doutput_2Dport_2A), 0));
     (void)(oportputc('\n', (cx__2Acurrent_2Doutput_2Dport_2A)));
@@ -23582,12 +23591,12 @@ case 534: /* clo ek r */
     r[4+3] = r[1];  
     r += 4; /* shift reg wnd */
     rreserve(MAX_HOSTREGS);
-    goto s_l_v10553;
+    goto s_l_v10571;
   } else {
     r[4+0] = (cx_x_2Derror);
     pc = objptr_from_obj(r[4+0])[0];
     r[4+1] = r[3];  
-    r[4+2] = (cx__234880);
+    r[4+2] = (cx__234883);
     r[4+3] = r[1];  
     r += 4; /* shift reg wnd */
     rreserve(MAX_HOSTREGS);
@@ -23602,7 +23611,7 @@ case 535: /* clo ek . */
     r[1+2] = p[1];
     r[1+3] = p[2]; }
     r += 1; /* shift reg. wnd */
-s_l_v10553: /* ek . k r */
+s_l_v10571: /* ek . k r */
     r[4] = (car((r[3])));
     r[4] = obj_from_bool((r[4]) == (mksymbol(internsym("define"))));
   if (bool_from_obj(r[4])) {
@@ -23610,7 +23619,7 @@ s_l_v10553: /* ek . k r */
   } else {
   }
   if (bool_from_obj(cx__2Averbose_2A)) {
-    (void)(oportputcircular((cx__234873), (cx__2Acurrent_2Doutput_2Dport_2A), 1));
+    (void)(oportputcircular((cx__234876), (cx__2Acurrent_2Doutput_2Dport_2A), 1));
     (void)(oportputc('\n', (cx__2Acurrent_2Doutput_2Dport_2A)));
   } else {
   }
@@ -23672,7 +23681,7 @@ case 537: /* clo ek . */
   if (bool_from_obj(cx__2Averbose_2A)) {
     (void)(oportputcircular((r[4]), (cx__2Acurrent_2Doutput_2Dport_2A), 1));
     (void)(oportputc('\n', (cx__2Acurrent_2Doutput_2Dport_2A)));
-    (void)(oportputcircular((cx__234866), (cx__2Acurrent_2Doutput_2Dport_2A), 1));
+    (void)(oportputcircular((cx__234869), (cx__2Acurrent_2Doutput_2Dport_2A), 1));
     (void)(oportputc('\n', (cx__2Acurrent_2Doutput_2Dport_2A)));
     r[6] = obj_from_flonum(6, clock());
     (void)(objptr_from_obj(r[5])[0] = (r[6]));
@@ -23724,23 +23733,23 @@ case 539: /* clo ek r */
     (void)(oportputc('\n', (cx__2Acurrent_2Doutput_2Dport_2A)));
   }
   if (bool_from_obj(cx__2Averbose_2A)) {
-    (void)(oportputcircular((cx__234809), (cx__2Acurrent_2Doutput_2Dport_2A), 1));
-    { flonum_t v14154_b;
-    { flonum_t v14153_a;
-    { const flonum_t v14152_b = (CLOCKS_PER_SEC);
-    { const flonum_t v14150_a = (clock());
+    (void)(oportputcircular((cx__234812), (cx__2Acurrent_2Doutput_2Dport_2A), 1));
+    { flonum_t v14172_b;
+    { flonum_t v14171_a;
+    { const flonum_t v14170_b = (CLOCKS_PER_SEC);
+    { const flonum_t v14168_a = (clock());
     r[4] = (objptr_from_obj(r[3])[0]);
   if ((is_fixnum_obj(r[4]))) {
-    { const flonum_t v14151_tmp = ((flonum_t)fixnum_from_obj(r[4]));
-    v14153_a = ((v14150_a) - (v14151_tmp)); } 
+    { const flonum_t v14169_tmp = ((flonum_t)fixnum_from_obj(r[4]));
+    v14171_a = ((v14168_a) - (v14169_tmp)); } 
   } else {
-    v14153_a = ((v14150_a) - flonum_from_obj(r[4]));
+    v14171_a = ((v14168_a) - flonum_from_obj(r[4]));
   } } 
-    v14154_b = ((v14153_a) / (v14152_b)); }  }
-    { const flonum_t v14155_tmp = ((flonum_t)(+1000));
-    r[4] = obj_from_flonum(4, (v14155_tmp) * (v14154_b)); }  }
+    v14172_b = ((v14171_a) / (v14170_b)); }  }
+    { const flonum_t v14173_tmp = ((flonum_t)(+1000));
+    r[4] = obj_from_flonum(4, (v14173_tmp) * (v14172_b)); }  }
     (void)(oportputcircular((r[4]), (cx__2Acurrent_2Doutput_2Dport_2A), 0));
-    (void)(oportputcircular((cx__234785), (cx__2Acurrent_2Doutput_2Dport_2A), 1));
+    (void)(oportputcircular((cx__234788), (cx__2Acurrent_2Doutput_2Dport_2A), 1));
     r[4] = obj_from_void(oportputc('\n', (cx__2Acurrent_2Doutput_2Dport_2A)));
   } else {
     r[4] = obj_from_void(0);
@@ -23773,7 +23782,7 @@ gs_repl_2Deval_2Dtop_2Dform: /* k x */
   if (bool_from_obj(r[2])) {
     r[2] = (cdr((r[1])));
     r[2] = (car((r[2])));
-    r[3] = ((obj)fopen(stringchars((r[2])), stringchars((cx__233166))));
+    r[3] = ((obj)fopen(stringchars((r[2])), stringchars((cx__233169))));
     hreserve(hbsz(1+1), 4); /* 4 live regs */
     *--hp = r[0];  
     *--hp = obj_from_case(541);
@@ -23785,12 +23794,12 @@ gs_repl_2Deval_2Dtop_2Dform: /* k x */
     r[6+2] = r[0];  
     r += 6; /* shift reg wnd */
     rreserve(MAX_HOSTREGS);
-    goto s_l_v10533;
+    goto s_l_v10551;
   } else {
     r[5+0] = (cx_file_2Derror);
     pc = objptr_from_obj(r[5+0])[0];
     r[5+1] = r[4];  
-    r[5+2] = (cx__233170);
+    r[5+2] = (cx__233173);
     r[5+3] = r[2];  
     r += 5; /* shift reg wnd */
     rreserve(MAX_HOSTREGS);
@@ -23825,7 +23834,7 @@ case 541: /* clo ek r */
     { obj* p = objptr_from_obj(r[0]);
     r[1+2] = p[1]; }
     r += 1; /* shift reg. wnd */
-s_l_v10533: /* ek r k */
+s_l_v10551: /* ek r k */
     hreserve(hbsz(2+1), 3); /* 3 live regs */
     *--hp = r[2];  
     *--hp = r[1];  
@@ -23862,7 +23871,7 @@ case 543: /* clo ek r */
     r[4] = (cdr((r[2])));
     r[0] = r[3];  
     r[1] = r[4];  
-    goto s_loop_v10517;
+    goto s_loop_v10535;
   } else {
   if (((r[1]) == (mksymbol(internsym("define-syntax"))))) {
     hreserve(hbsz(2+1), 4); /* 4 live regs */
@@ -23907,7 +23916,7 @@ case 543: /* clo ek r */
 case 544: /* clo k x* */
     assert(rc == 3);
     r += 1; /* shift reg. wnd */
-s_loop_v10517: /* k x* */
+s_loop_v10535: /* k x* */
   if ((ispair((r[1])))) {
     hreserve(hbsz(0+1), 2); /* 2 live regs */
     *--hp = obj_from_case(544);
@@ -23997,7 +24006,7 @@ case 549: /* repl-read k iport */
     assert(rc == 3);
     r += 1; /* shift reg. wnd */
 gs_repl_2Dread: /* k iport */
-    (void)(((r[1]) == (cx__2Acurrent_2Dinput_2Dport_2A)) ? (void)(oportputcircular((cx__234938), (cx__2Acurrent_2Doutput_2Dport_2A), 1)) : (void)(0));
+    (void)(((r[1]) == (cx__2Acurrent_2Dinput_2Dport_2A)) ? (void)(oportputcircular((cx__234941), (cx__2Acurrent_2Doutput_2Dport_2A), 1)) : (void)(0));
     r[2+0] = (cx__25read);
     pc = objptr_from_obj(r[2+0])[0];
     r[2+1] = r[0];  
@@ -24031,14 +24040,14 @@ case 551: /* clo ek r */
     r[0] = r[3];  
     /* r[1] */    
     /* r[2] */    
-    goto s_loop_v10464;
+    goto s_loop_v10482;
 
 case 552: /* clo k x */
     assert(rc == 3);
     { obj* p = objptr_from_obj(r[0]);
     r[1+2] = p[1]; }
     r += 1; /* shift reg. wnd */
-s_loop_v10464: /* k x iport */
+s_loop_v10482: /* k x iport */
   if ((iseof((r[1])))) {
     /* r[0] */    
     pc = objptr_from_obj(r[0])[0];
@@ -24104,7 +24113,7 @@ gs_repl_2Dfile: /* k fname */
     hreserve(hbsz(1), 2); /* 2 live regs */
     *--hp = obj_from_void(0);
     r[2] = (hendblk(1));
-    r[3] = ((obj)fopen(stringchars((r[1])), stringchars((cx__233166))));
+    r[3] = ((obj)fopen(stringchars((r[1])), stringchars((cx__233169))));
     hreserve(hbsz(2+1), 4); /* 4 live regs */
     *--hp = r[2];  
     *--hp = r[0];  
@@ -24118,12 +24127,12 @@ gs_repl_2Dfile: /* k fname */
     r[6+3] = r[2];  
     r += 6; /* shift reg wnd */
     rreserve(MAX_HOSTREGS);
-    goto s_l_v10445;
+    goto s_l_v10463;
   } else {
     r[5+0] = (cx_file_2Derror);
     pc = objptr_from_obj(r[5+0])[0];
     r[5+1] = r[4];  
-    r[5+2] = (cx__233170);
+    r[5+2] = (cx__233173);
     r[5+3] = r[1];  
     r += 5; /* shift reg wnd */
     rreserve(MAX_HOSTREGS);
@@ -24137,7 +24146,7 @@ case 556: /* clo ek r */
     r[1+2] = p[1];
     r[1+3] = p[2]; }
     r += 1; /* shift reg. wnd */
-s_l_v10445: /* ek r k iport */
+s_l_v10463: /* ek r k iport */
     (void)(objptr_from_obj(r[3])[0] = (r[1]));
     hreserve(hbsz(2+1), 4); /* 4 live regs */
     *--hp = r[2];  
@@ -24171,7 +24180,7 @@ gs_benchmark_2Dfile: /* k fname */
     hreserve(hbsz(1), 2); /* 2 live regs */
     *--hp = obj_from_void(0);
     r[2] = (hendblk(1));
-    r[3] = ((obj)fopen(stringchars((r[1])), stringchars((cx__233166))));
+    r[3] = ((obj)fopen(stringchars((r[1])), stringchars((cx__233169))));
     hreserve(hbsz(3+1), 4); /* 4 live regs */
     *--hp = r[2];  
     *--hp = r[0];  
@@ -24187,12 +24196,12 @@ gs_benchmark_2Dfile: /* k fname */
     r[6+4] = r[2];  
     r += 6; /* shift reg wnd */
     rreserve(MAX_HOSTREGS);
-    goto s_l_v10409;
+    goto s_l_v10427;
   } else {
     r[5+0] = (cx_file_2Derror);
     pc = objptr_from_obj(r[5+0])[0];
     r[5+1] = r[4];  
-    r[5+2] = (cx__233170);
+    r[5+2] = (cx__233173);
     r[5+3] = r[1];  
     r += 5; /* shift reg wnd */
     rreserve(MAX_HOSTREGS);
@@ -24207,7 +24216,7 @@ case 559: /* clo ek r */
     r[1+3] = p[2];
     r[1+4] = p[3]; }
     r += 1; /* shift reg. wnd */
-s_l_v10409: /* ek r fname k iport */
+s_l_v10427: /* ek r fname k iport */
     (void)(objptr_from_obj(r[4])[0] = (r[1]));
     hreserve(hbsz(2+1), 5); /* 5 live regs */
     *--hp = r[3];  
@@ -24259,7 +24268,7 @@ case 561: /* clo ek . */
     *--hp = obj_from_case(562);
     r[4] = (hendblk(2+1));
     r[0] = r[4];  
-    r[1] = (cx__234969);
+    r[1] = (cx__234972);
     goto gs_repl_2Deval_2Dtop_2Dform;
 
 case 562: /* clo ek . */
@@ -24285,7 +24294,7 @@ case 563: /* clo ek r */
     r[1+3] = p[2]; }
     r += 1; /* shift reg. wnd */
     /* ek r fname k */
-    r[4] = (cxs_syntax_2Dmatch_3F((cx__234975), (r[1])));
+    r[4] = (cxs_syntax_2Dmatch_3F((cx__234978), (r[1])));
   if (bool_from_obj(r[4])) {
     r[0] = r[3];  
     pc = objptr_from_obj(r[0])[0];
@@ -24298,7 +24307,7 @@ case 563: /* clo ek r */
     r[5+0] = (cx_error);
     pc = objptr_from_obj(r[5+0])[0];
     r[5+1] = r[3];  
-    r[5+2] = (cx__234974);
+    r[5+2] = (cx__234977);
     r[5+3] = r[2];  
     r += 5; /* shift reg wnd */
     rreserve(MAX_HOSTREGS);
@@ -24339,32 +24348,32 @@ case 566: /* clo ek r */
     r += 1; /* shift reg. wnd */
     /* ek r k */
     r[3] = (cdr((r[1])));
-  if (bool_from_obj(cxs_syntax_2Dmatch_3F((cx__235018), (r[3])))) {
+  if (bool_from_obj(cxs_syntax_2Dmatch_3F((cx__235021), (r[3])))) {
     r[4] = (cdr((r[3])));
     r[4] = (car((r[4])));
     r[0] = r[2];  
     r[1] = r[4];  
     goto gs_process_2Dfile;
   } else {
-  if (bool_from_obj(cxs_syntax_2Dmatch_3F((cx__235010), (r[3])))) {
+  if (bool_from_obj(cxs_syntax_2Dmatch_3F((cx__235013), (r[3])))) {
     r[4] = (cdr((r[3])));
     r[4] = (car((r[4])));
     r[0] = r[2];  
     r[1] = r[4];  
     goto gs_repl_2Dfile;
   } else {
-  if (bool_from_obj(cxs_syntax_2Dmatch_3F((cx__235002), (r[3])))) {
+  if (bool_from_obj(cxs_syntax_2Dmatch_3F((cx__235005), (r[3])))) {
     r[4] = (cdr((r[3])));
     r[4] = (car((r[4])));
     r[0] = r[2];  
     r[1] = r[4];  
     goto gs_benchmark_2Dfile;
   } else {
-  if (bool_from_obj(cxs_syntax_2Dmatch_3F((cx__234996), (r[3])))) {
+  if (bool_from_obj(cxs_syntax_2Dmatch_3F((cx__234999), (r[3])))) {
     r[0] = r[2];  
     goto gs_run_2Dtests;
   } else {
-  if (bool_from_obj(cxs_syntax_2Dmatch_3F((cx__234993), (r[3])))) {
+  if (bool_from_obj(cxs_syntax_2Dmatch_3F((cx__234996), (r[3])))) {
     cx__2Averbose_2A = obj_from_bool(1);
     r[0] = r[2];  
     goto gs_run_2Drepl;
diff --git a/s.c b/s.c
index bd6ecfe..86ce5e0 100644
--- a/s.c
+++ b/s.c
@@ -621,12 +621,12 @@ char *s_code[] = {
   "rror),@(y12:write-string)[02}}${.7,.7,.4^[02}.5W6]6",
 
   "P", "simple-error",
-  "%!0P12,.0W6${.2,.4,'(s5:Error),@(y19:print-error-message)[03}@(y5:rese"
-  "t)[20",
+  "%!0Pe,.0W6${.2,.4,'(s5:Error),@(y19:print-error-message)[03}@(y5:reset"
+  ")[20",
 
   "P", "assertion-violation",
-  "%!0P12,.0W6${.2,.4,'(s19:Assertion violation),@(y19:print-error-messag"
-  "e)[03}'1Z9]2",
+  "%!0Pe,.0W6${.2,.4,'(s19:Assertion violation),@(y19:print-error-message"
+  ")[03}'1Z9]2",
 
   "C", 0,
   "${'(l3:y4:kind;y7:message;y9:irritants;),'(y14:<error-object>),@(y15:n"
@@ -757,9 +757,9 @@ char *s_code[] = {
   "%2.1,${.3,@(y16:open-output-file)[01},@(y14:call-with-port)[22",
 
   "P", "read-line",
-  "%!0P51,.1u?{P10}{.1a},t,,#0.2,.4,.2,&3{%1:2R0,.0R8,.0?{.0}{'(c%0a),.2C"
-  "=}_1?{.0R8?{.1}{f}?{.0]2}:1P90,:1P61.0]3}'(c%0d),.1C=?{f,:0^[21}:1,.1W"
-  "0f,:0^[21}.!0.0^_1[31",
+  "%!0P51,.1u?{Pi}{.1a},t,,#0.2,.4,.2,&3{%1:2R0,.0R8,.0?{.0}{'(c%0a),.2C="
+  "}_1?{.0R8?{.1}{f}?{.0]2}:1P90,:1P61.0]3}'(c%0d),.1C=?{f,:0^[21}:1,.1W0"
+  "f,:0^[21}.!0.0^_1[31",
 
   "P", "read-substring!",
   "%4.1,,#0.5,.4,.4,.3,.8,&5{%1:0,.1I<!?{:3,.1I-]1}:4R0,.0R8?{:3,.2I=?{.0"
@@ -772,12 +772,12 @@ char *s_code[] = {
   "C", 0,
   "&0{%4.1,.4,.4,.3,@(y15:read-substring!)[44}%x,&0{%3.1,.1S3,.4,.3,@(y15"
   ":read-substring!)[34}%x,&0{%2.1,.1S3,'0,.3,@(y15:read-substring!)[24}%"
-  "x,&0{%1P10,.1S3,'0,.3,@(y15:read-substring!)[14}%x,&4{|10|21|32|43%%}@"
-  "!(y12:read-string!)",
+  "x,&0{%1Pi,.1S3,'0,.3,@(y15:read-substring!)[14}%x,&4{|10|21|32|43%%}@!"
+  "(y12:read-string!)",
 
   "C", 0,
-  "&0{%2.1,.1,@(y14:read-substring)[22}%x,&0{%1P10,.1,@(y14:read-substrin"
-  "g)[12}%x,&2{|10|21%%}@!(y11:read-string)",
+  "&0{%2.1,.1,@(y14:read-substring)[22}%x,&0{%1Pi,.1,@(y14:read-substring"
+  ")[12}%x,&2{|10|21%%}@!(y11:read-string)",
 
   "P", "read-subbytevector!",
   "%4.1,,#0.5,.4,.4,.3,.8,&5{%1:0,.1I<!?{:3,.1I-]1}:4R3,.0R8?{:3,.2I=?{.0"
@@ -790,12 +790,12 @@ char *s_code[] = {
   "C", 0,
   "&0{%4.1,.4,.4,.3,@(y19:read-subbytevector!)[44}%x,&0{%3.1,.1B3,.4,.3,@"
   "(y19:read-subbytevector!)[34}%x,&0{%2.1,.1B3,'0,.3,@(y19:read-subbytev"
-  "ector!)[24}%x,&0{%1P10,.1B3,'0,.3,@(y19:read-subbytevector!)[14}%x,&4{"
-  "|10|21|32|43%%}@!(y16:read-bytevector!)",
+  "ector!)[24}%x,&0{%1Pi,.1B3,'0,.3,@(y19:read-subbytevector!)[14}%x,&4{|"
+  "10|21|32|43%%}@!(y16:read-bytevector!)",
 
   "C", 0,
-  "&0{%2.1,.1,@(y18:read-subbytevector)[22}%x,&0{%1P10,.1,@(y18:read-subb"
-  "ytevector)[12}%x,&2{|10|21%%}@!(y15:read-bytevector)",
+  "&0{%2.1,.1,@(y18:read-subbytevector)[22}%x,&0{%1Pi,.1,@(y18:read-subby"
+  "tevector)[12}%x,&2{|10|21%%}@!(y15:read-bytevector)",
 
   "P", "%read",
   "%2,,,,,,,,,,,,,,,,,,,,,,#0#1#2#3#4#5#6#7#8#9#(i10)#(i11)#(i12)#(i13)#("
@@ -917,12 +917,12 @@ char *s_code[] = {
   "),.2d,'(s17:unexpected token:),@(y10:read-error)[(i25)4",
 
   "C", 0,
-  "&0{%1f,.1,@(y5:%25read)[12}%x,&0{%0f,P10,@(y5:%25read)[02}%x,&2{|00|11"
-  "%%}@!(y4:read)",
+  "&0{%1f,.1,@(y5:%25read)[12}%x,&0{%0f,Pi,@(y5:%25read)[02}%x,&2{|00|11%"
+  "%}@!(y4:read)",
 
   "C", 0,
-  "&0{%1t,.1,@(y5:%25read)[12}%x,&0{%0t,P10,@(y5:%25read)[02}%x,&2{|00|11"
-  "%%}@!(y11:read-simple)",
+  "&0{%1t,.1,@(y5:%25read)[12}%x,&0{%0t,Pi,@(y5:%25read)[02}%x,&2{|00|11%"
+  "%}@!(y11:read-simple)",
 
   "P", "write-substring",
   "%4.1,,#0.0,.3,.7,.7,&4{%1:0,.1I<!?{]1}:1,.1,:2S4W0'1,.1I+,:3^[11}.!0.0"
@@ -930,8 +930,8 @@ char *s_code[] = {
 
   "C", 0,
   "&0{%4.1,.4,.4,.3,@(y15:write-substring)[44}%x,&0{%3.1,.1S3,.4,.3,@(y15"
-  ":write-substring)[34}%x,&0{%2.1,.1W1]2}%x,&0{%1P11,.1W1]1}%x,&4{|10|21"
-  "|32|43%%}@!(y12:write-string)",
+  ":write-substring)[34}%x,&0{%2.1,.1W1]2}%x,&0{%1Po,.1W1]1}%x,&4{|10|21|"
+  "32|43%%}@!(y12:write-string)",
 
   "P", "write-subbytevector",
   "%4.1,,#0.0,.3,.7,.7,&4{%1:0,.1I<!?{]1}:1,.1,:2B4W2'1,.1I+,:3^[11}.!0.0"
@@ -939,8 +939,8 @@ char *s_code[] = {
 
   "C", 0,
   "&0{%4.1,.4,.4,.3,@(y19:write-subbytevector)[44}%x,&0{%3.1,.1B3,.4,.3,@"
-  "(y19:write-subbytevector)[34}%x,&0{%2.1,.1W3]2}%x,&0{%1P11,.1W3]1}%x,&"
-  "4{|10|21|32|43%%}@!(y16:write-bytevector)",
+  "(y19:write-subbytevector)[34}%x,&0{%2.1,.1W3]2}%x,&0{%1Po,.1W3]1}%x,&4"
+  "{|10|21|32|43%%}@!(y16:write-bytevector)",
 
   "P", "command-line",
   "%0'0,n,,#0.0,&1{%2.1Z0,.0?{'1,.3I+,.2,.2c,:0^[32}.1A9]3}.!0.0^_1[02",
diff --git a/src/k.sf b/src/k.sf
index d796257..c33193a 100644
--- a/src/k.sf
+++ b/src/k.sf
@@ -735,6 +735,10 @@
 
 (define *dynamic-state* (list #f)) ; for dynamic-wind
 
+(define *current-input* #f)
+(define *current-output* #f)
+(define *current-error* #f)
+
 
 ;---------------------------------------------------------------------------------------------
 ; String representation of S-expressions and code arguments