syohex/emacs-helm-gtags — pull request #39 by byplayer (2014-03-11 08:23:21+00:00)
Title: add symbol customize point

I want to tag jump elisp methods including "-", so I want to customize skip-chars.

I use this option as follows.
(setq helm-gtags-symbol-skip-chars "a-zA-Z0-9_-")

Please check it.