diff --git a/annotations/VERSION b/annotations/VERSION
index 745bb7a6..66280a8c 100644
--- a/annotations/VERSION
+++ b/annotations/VERSION
@@ -1,2 +1,2 @@
-#define VERSION "11.4.0"
+#define VERSION "11.4.1"
 #define YEARS   "1994-2020"
diff --git a/annotations/changelog b/annotations/changelog
index bd6252c9..41f7efa5 100644
--- a/annotations/changelog
+++ b/annotations/changelog
@@ -2,8 +2,12 @@ C++-annotations (11.4.1)
 
   * Updated the descriptions of some functions in the filesystem namespace.
 
+  * Fixed some typos
 
+  * Following a fix suggested by Tony Mancill the US variants of the ps/pdf
+    formats of the C++-annotations are now using the 'letter' paper format
 
+ -- Frank B. Brokken <f.b.brokken@rug.nl>  Sun, 30 Aug 2020 13:36:27 +0200
 
 C++-annotations (11.4.0)
 
diff --git a/annotations/yo/stl/examples/inilist/inilist/data.cc b/annotations/yo/stl/examples/inilist/inilist/data.cc
index e544e835..d66f9a9b 100644
--- a/annotations/yo/stl/examples/inilist/inilist/data.cc
+++ b/annotations/yo/stl/examples/inilist/inilist/data.cc
@@ -2,4 +2,3 @@
 #include "inilist.ih"
 
 size_t IniList::s_count = 0;
-
diff --git a/annotations/yo/stl/examples/inilist/inilist/destructor.cc b/annotations/yo/stl/examples/inilist/inilist/destructor.cc
index 4dcd6a49..a98f3fc9 100644
--- a/annotations/yo/stl/examples/inilist/inilist/destructor.cc
+++ b/annotations/yo/stl/examples/inilist/inilist/destructor.cc
@@ -6,7 +6,7 @@ IniList::~IniList()
     if (d_id == d_owner)
     {
         s_memory[d_index] = false;
-        cout << "destroying object " << d_id << " and memory[" << 
+        cout << "destroying object " << d_id << " and memory[" <<
                 d_index << "]\n";
     }
     else
diff --git a/annotations/yo/stl/examples/inilist/inilist/inilist.h b/annotations/yo/stl/examples/inilist/inilist/inilist.h
index 3c03f5c0..11eb3333 100644
--- a/annotations/yo/stl/examples/inilist/inilist/inilist.h
+++ b/annotations/yo/stl/examples/inilist/inilist/inilist.h
@@ -24,5 +24,5 @@ class IniList
         void check(char const *label);  // checks the availability of its
                                         // memory
 };
-        
+
 #endif
diff --git a/annotations/yo/stl/examples/inilist/inilist/inilist.ih b/annotations/yo/stl/examples/inilist/inilist/inilist.ih
index 45c98bdd..08aa3670 100644
--- a/annotations/yo/stl/examples/inilist/inilist/inilist.ih
+++ b/annotations/yo/stl/examples/inilist/inilist/inilist.ih
@@ -3,4 +3,3 @@
 #include <iostream>
 
 using namespace std;
-
diff --git a/annotations/yo/stl/examples/inilist/inilist/inilist1.cc b/annotations/yo/stl/examples/inilist/inilist/inilist1.cc
index 47c28476..d9b8b983 100644
--- a/annotations/yo/stl/examples/inilist/inilist/inilist1.cc
+++ b/annotations/yo/stl/examples/inilist/inilist/inilist1.cc
@@ -11,5 +11,3 @@ IniList::IniList()
 
     cout << "created object " << d_id << " using memory[" << d_index << "]\n";
 }
-
-
diff --git a/annotations/yo/stl/examples/inilist/inilist/inilist2.cc b/annotations/yo/stl/examples/inilist/inilist/inilist2.cc
index c0930be5..0f3f6a8d 100644
--- a/annotations/yo/stl/examples/inilist/inilist/inilist2.cc
+++ b/annotations/yo/stl/examples/inilist/inilist/inilist2.cc
@@ -7,7 +7,7 @@ IniList::IniList(IniList const &other)
     d_owner(other.d_owner),     // this object doesn't own the memory
     d_index(other.d_index)      // and use other's memory index
 {
-    cout << "CC: object " << d_id << " using memory[" << d_index << 
+    cout << "CC: object " << d_id << " using memory[" << d_index <<
             "], owned by object " << d_owner << '\n';
     check("copy: ");
 }
diff --git a/annotations/yo/stl/examples/inilist/main.cc b/annotations/yo/stl/examples/inilist/main.cc
index 54ebe967..73e987af 100644
--- a/annotations/yo/stl/examples/inilist/main.cc
+++ b/annotations/yo/stl/examples/inilist/main.cc
@@ -34,10 +34,4 @@ int main(int argc, char **argv)
             "\n";
 
     map.find(1)->second.check("element from map: ");
-}   
-
-
-
-
-
-
+}
diff --git a/annotations/yo/stl/examples/inilist/xerr/xerr.ih b/annotations/yo/stl/examples/inilist/xerr/xerr.ih
index 64ce5436..06fcd493 100644
--- a/annotations/yo/stl/examples/inilist/xerr/xerr.ih
+++ b/annotations/yo/stl/examples/inilist/xerr/xerr.ih
@@ -1,19 +1,18 @@
 // define X to activate the xerr/xerr2 macros:
-//      xerr(insertion) 
+//      xerr(insertion)
 //          inserts the '<<' concatenated elements into std::cerr
 //          preceded by the name of the source file, and ended by '\n'
-//      xerr2(insertion, code) 
+//      xerr2(insertion, code)
 //          performs the insertion if X is defined, and (unconditionally)
 //          executes the statement(s) in `code'. `code' must be valid
-//          C(++) code. 
-//  
+//          C(++) code.
+//
 #ifdef XERR
     #include <iostream>
     #define xerr(insertion)  std::cerr << __FILE__": " << insertion << '\n'
     #define xerr2(insertion, b) \
                     { std::cerr << __FILE__": " << insertion << '\n';  b;  }
 #else
-    #define xerr(insertion) 
+    #define xerr(insertion)
     #define xerr2(insertion, b) b
 #endif
-