[Octave-bug-tracker] [bug #56267] addpath() on Windows fails to recognize same subdirs with different fileseps and case

[Philip Nienhuis]

Follow-up Comment #15, bug #56267 (project octave):

@Markus:
Your fix works fine, thanks.
I tried the examples in my original report in various combinations of case and
fileseps but Octave won't get fooled anymore, I only get one instance of the
subdir in question in the path.
Fine, so this bug can be closed I think.

Just as a side note, I've hit issues with it that seemed unrelated at first.

On Windows, 8.3 style path names are used to make Octave cope with spaces in
path names. Your patch morphs these 8.3 style path names into LFN (long file
name) path names and it now turns out that pkg.m is subsequently affected by a
mixup of 8.3 and LFN path names.
Further discussion of those effects are in bug #57083, as I think pkg.m needs
adaptation and your big fix here is what needed to be done.

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