fixed while and repeat warning messages line number

fixed invalid while and repeat asm label names
fixed boolean checking of numbers

docs/source/programming.rst

@@ -282,10 +282,10 @@ a string literal a given number of times using '*'::
 
 
 .. caution::
-    It's probably best that you don't change strings after they're created.
+    Avoid changing strings after they've been created.
     This is because if your program exits and is restarted (without loading it again),
-    it will then operate on the changed strings instead of the original ones.
-    The same is true for arrays by the way.
+    it will then start working with the changed strings instead of the original ones.
+    The same is true for arrays.
 
 
 Structs

docs/source/todo.rst

@@ -2,6 +2,11 @@
 TODO
 ====
 
+- @"zzz"  screencode encoded strings  + add this to docs too
+- add 'void' keyword to explicitly ignore subroutine return values
+- allow:  for bb in [1,2,3]  + docs?
+
+
 Memory Block Operations integrated in language?
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^