François Pinard wrote:

> Well, I was adapting some of my Emacs Lisp from python-mode.el to use
> Fabian Gallina's python.el instead. After loading python.el in Emacs
> 24.3, the value of python-nav-beginning-of-defun-regexp is:
>
> "^[[:space:]]*\\_<\\(?:class\\|def\\)\\_>[[:space:]]+\\([_[:alpha:]][_[:word:]]*\\)"
>
> Maybe I merely miss the meaning of "?:" in this regexp, if any. Yet,
> by removing "?:" from the above value solved my problem, so maybe the
> value as defined by Emacs has problem?

Please say what the actual problem is.