In a recent note, Charles Mills said:

> Date:         Wed, 27 Sep 2006 06:42:40 -0700
> 
> *Personally*, I think XREF is an idea whose time has passed. In the days of
> card decks and greenbar listings, I was the world's biggest (assembler) XREF
> fan. I can't remember the last time I used the XREF output -- I just do a
> find in the source code -- or possibly the listing, if a macro might be
> making a reference that did not appear in the macro invocation.
> 
Does this work for references generated by symbol substitution?

I would cherish a tool, possibly an editor macro, that would use
information such as ASMADATA to scroll to each successive occurrence
of a requested symbol, opening library macro and COPY members as
necessary.  Does ASMADATA contain sufficient information to do this?

I have encountered some compilers that have interactive modes that
automatically open an editor on any line generating an error message,
and on occasion written scripts that process listings to do likewise.
z/OS language translators are perhaps lagging the mode in this area.

-- gil
-- 
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