/* Find all symbols in the current program space matching NAME in
DOMAIN, according to this language's rules.
- The search starts with BLOCK. This function iterates upward
- through blocks. When the outermost block has been finished,
- the function returns.
+ The search is done in BLOCK only.
+ The caller is responsible for iterating up through superblocks
+ if desired.
For each one, call CALLBACK with the symbol and the DATA
argument. If CALLBACK returns zero, the iteration ends at that