Merge branch '21-manual' into 26-sym-binding
Merge branch '21-apply-dots' into 26-sym-binding
Merge branch '21-apply-dots' into 26-sym-binding
Merge branch '23-more-dotcode' into 26-sym-binding
Merge branch '23-prim-formals' into 26-sym-binding
put last failed lookup (of function) in symbol too
Merge branch '26-sym-binding' into 28