bump Rx version

FossilOrigin-Name: c5bec584b03b1d422cc29966f1c065e52f169ecd3e4fbba7f24ec0ad95f8c010

interfaces/image.c

@@ -1,6 +1,6 @@
 #include <stdint.h>
 int32_t ngaImageCells = 9877;
-int32_t ngaImage[] = { 1793,-1,9859,9876,201906,0,10,1,10,2,10,3,10,4,10,5,10,6,10,
+int32_t ngaImage[] = { 1793,-1,9859,9876,201912,0,10,1,10,2,10,3,10,4,10,5,10,6,10,
                        7,10,8,10,9,10,10,10,11,10,12,10,13,10,14,10,15,10,16,10,
                        17,10,18,10,19,10,20,10,21,10,22,10,23,10,24,10,25,10,26,10,
                        68223234,1,2575,85000450,1,656912,355,339,268505089,66,65,135205121,66,10,101384453,0,9,10,2049,59,

interfaces/rre_image.c

@@ -1,6 +1,6 @@
 #include <stdint.h>
 int32_t ngaImageCells = 17298;
-int32_t ngaImage[] = { 1793,17077,17255,17297,201906,0,10,1,10,2,10,3,10,4,10,5,10,6,10,
+int32_t ngaImage[] = { 1793,17077,17255,17297,201912,0,10,1,10,2,10,3,10,4,10,5,10,6,10,
                        7,10,8,10,9,10,10,10,11,10,12,10,13,10,14,10,15,10,16,10,
                        17,10,18,10,19,10,20,10,21,10,22,10,23,10,24,10,25,10,26,10,
                        68223234,1,2575,85000450,1,656912,142,141,268505089,66,65,135205121,66,10,101384453,0,9,10,2049,59,

literate/Rx.md

@@ -1,7 +1,7 @@
     ____  _   _
     || \\ \\ //
     ||_//  )x(
-    || \\ // \\ 2019.6
+    || \\ // \\ 2019.12
     a minimalist forth for nga
 
 *Rx* (*retro experimental*) is a minimal Forth implementation
@@ -137,7 +137,7 @@ r 9999
 d 1536
 
 : Version
-d 201906
+d 201912
 ~~~
 
 Both of these are pointers. `Dictionary` points to the most