bug#56003: Bash functions not showing in speedbar

[Eli Zaretskii <eliz@gnu.org>]

> From: Visuwesh <visuweshm@gmail.com>
> Date: Thu, 16 Jun 2022 08:41:12 +0530
> Cc: carlmarcos@tutanota.com, 56003@debbugs.gnu.org
> 
> [வியாழன் ஜூன் 16, 2022 02:12] carlmarcos--- via "Bug reports for GNU Emacs, the Swiss army knife of text editors" wrote:
> 
> > Have been working on some functionalities implemented in bash.  But looking at the speedbar, only some function
> > names are being listed.  Tried to see whether a bug-report has been previously submitted, but could not find any. 
> > Have found the search feature for the archives quite challenging to use.
> >
> > Carl
> 
> You need to add a relevant bash entry to `sh-imenu-generic-expression'.
> I would propose a patch but the bash manual is vague about the allowed
> characters, and I never use bash so I'm not interested in digging
> further.  Maybe the newly added mksh entry could be a good example,
> 
>     (mksh
>      . ((nil
>          ;; function FOO
>          ;; function FOO()
>          ,(rx bol (* (syntax whitespace)) "function" (+ (syntax whitespace))
>               (group (1+ (not (any "\0\t\n \"$&'();<=>\\`|#*?[]/"))))
>               (* (syntax whitespace)) (? "()"))
>          1)
>         (nil
>          ;; FOO()
>          ,(rx bol (* (syntax whitespace))
>               (group (1+ (not (any "\0\t\n \"$&'();<=>\\`|#*?[]/"))))
>               (* (syntax whitespace)) "()")
>          1)))
> 
> HTH.

This bug was recently solved on the master branch, see commit
2ea091955036.