Double Click Behaviour : Perl sigils and namespace delimiters etc

[ktaragorn]

Currently when u double click on a variable name, padre selects the entire word, including the sigil, but in most other places (or so i feel) the sigil might be ignored.

This is a very small difference, main reason to do it might be consistency. Also if you want to rename a variable, its easier if u dont select the sigil, for instance.