bug#18944: 24.4; perl-mode electric-indent inside here documents

[Stefan Kangas]

Ed Avis <eda@waniasset.com> writes:

> With 26.1 the way to reproduce is a bit different.  Make a new buffer, M-x 
> perl-mode, and enter
>
> my $x = <<END
> END
>
> hitting Return at the end of each line.  But when you hit Return on the 
> second line, the END becomes indented by four spaces.  That's not right since 
> a here-document terminator should be at the left margin.

Thanks for reporting back.  I can reproduce this bug with the above
recipe on current master and Emacs 26.3.

A workaround is to add a semi-colon to END:

my $x = <<END;
END;

Best regards,
Stefan Kangas