The setting for cperl-indent-level (which sets the default indentation step
used by Emacs for Perl code) was missing a dot in the relevant cons pair.
This meant that the value set was the single-element list (4) rather than
the integer 4, so attempting to indent lines made Emacs produce an error
"Wrong type argument: number-or-marker-p, (4)".
An empty cpan/.dir-locals.el stops Emacs using the core defaults for
code imported from CPAN.
Committer's work:
To keep t/porting/cmp_version.t and t/porting/utils.t happy, $VERSION needed
to be incremented in many files, including throughout dist/PathTools.
perldelta entry for module updates.
Add two Emacs control files to MANIFEST; re-sort MANIFEST.
For: RT #124119.