Well, darn — indeed it does seem to be behaving inconsistently, apparently I didn't test well enough. As for changes, I literally did the simplest thing possible and commented out that chunk of code — there are no actual code changes. Apparently I commented out some critical state updates. I'll try to poke at it more still and will let you know if I find something.

Good Day,
    Dean

In reply to Re^3: [Emacs] patching cperl-mode to highlight syntax without POD newlines by duelafn
in thread [Emacs] patching cperl-mode to highlight syntax without POD newlines by LanX

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