[Octave-bug-tracker] [bug #55013] Terminate on start ('std::out_of_range')

[John W. Eaton]

Follow-up Comment #8, bug #55013 (project octave):

The failure appears to happen when searching the PATH for the gnuplot binary. 
But it looks like it happens before the actual search, while processing the
PATH string from the environment.  We probably shouldn't, but we still have
some old code in there to expand things like ${VAR} or ${V1,V2}.  Root Squash,
what is the value of PATH on this system?  If it doesn't contain anything to
expand, then I'm not sure why this is failing.  I'd need more info still, like
the line number where the failure happens (from a copy of Octave built with
debugging symbols), and possibly some variable values.  What exactly is passed
to kpse_path_expand?

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