bug#18502: 24.4.50; perl-mode indentation problem

[Stefan Monnier]

> perl mode automatically indents substantially off to the right following the
> first sub definition that has an odd number of '$' characters in the argument
> spec, eg.:

>       #!/usr/bin/perl -w

>       sub add_funds($) {
>           return 0;
>                     }

Indeed, the code that handles this had a bug which made it fail when the
identifier has an underscore.


        Stefan