bug#15848: 24.3.50; cperl-mode + which-function: Improve reporting (corner case)

[Nathan Trapuzzano]

Nathan Trapuzzano <nbtrap@nbtrap.com> writes:

> I think you've misunderstood.  cperl-mode does exactly what it's
> supposed to do, which is more than what perl-mode tries to do.

Actually, perl-mode _does_ index pod directives for imenu.  My mistake.
The difference is where each mode considers one "function" to end and
another to begin.  Moreover, cperl-mode puts "= " in front in order to
distinguish the "function" as a pod directive.