bug#18985: 24.3; cperl-mode misindents hash keys that start with an auto-quoted keyword

[Stefan Kangas]

avarab@gmail.com (Ævar Arnfjörð Bjarmason) writes:

> cperl-mode has a nasty bug in M-x indent-region, if you write this to a
> file:
>
>     my %x = (
>         for_me => "cookie",
>     );
>
> And indent it you end up with:
>
>     my %x = (
>      for _me => "cookie",
>     );
>
> Note the space between the "for" and "_me", the indenter falsely thought
> that "for" was a keyword and suffixed it with a space, changing the
> semantics of the code.
>
> The same issue happens with some other keywords, e.g. "if" and "until",
> but interestingly not "unless".

I can reproduce this on Emacs 26.2.

Best regards,
Stefan Kangas