> > +- Discuss on the Valgrind mailing list the modificaiton of
> > tests/vg_regtest +  such that it ignores files ending in ~ or #.
>
> Ok, here we go :)  Is this an emacs temporary file thing?

Ah yes, this is a good point.  I remember being totally confused
by this, and wasting a lot of time trying to figure out what was
going on.  Then I forgot about it :-(

Yes it is: when editing a file x.y, emacs creates x.y~ as a backup
and #x.y# as auto-saves.  Maybe vi does similar?  So when you edit
by hand a .std*.exp file to change the expected output, you get a 
.std*.exp~ file, which matches -- so the regtest still appears to
work even if the tool's output hasn't changed.

Perhaps it would be useful for vg_regtest to warn about and ignore
*exp files with ~ and # in their names.  What about vi, though?

J

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