Speedbar not showing all function names in a bash shell script file

[fatiparty]

Dec 3, 2021, 13:43 by help-gnu-emacs@gnu.org:

> fatiparty--- via Users list for the GNU Emacs text editor [2021-12-02 
> 09:43:11] wrote:
>
>> Speedbar not showing all function names in a bash shell script file.  Is-
>> there some problem with the speedbar, or am I missing some settings.
>>
>
> Probably sh-mode fails to recognize your functions.
> To be sure it's not a problem in speedbar, you might want to try `M-x
> imenu` and check if the functions all appear in there (Speedbar takes
> its info from there, usually).
> I suggest `M-x report-emacs-bug` giving the details of the functions
> that are missing or better yet a recipe to reproduce the problem from
> `emacs -Q`.
>
>
>  Stefan
>
I have done  `M-x imenu` as per your suggestion, and only a few functions 
appear in there.  As you described, the functions that I see displayed on the 
speedbar are the ones listed by imenu.  Could it be a problem with imenu then?