Re: which-function => DEFUN?

[Stefan Monnier]

>> The rule for where to place a save-match-data is:
>> 
>>  around the code run between "looking-at" and
>>  "match-string-no-properties".
>> 
>> In this case (as in 99% of the cases) this code is empty, so the
>> save-match-data can be dropped.
>> 
>>> (add-hook 'which-func-functions 'which-func-identify-DEFUN nil t)
>> 
>> If your save-match-data were needed, which-func-functions should say
>> so explicitly.


> Yes, but what is the rule for WHEN to use save-match-data. I just
> looked in the elisp manual and could not find anything.

The "where":

   around the code run between "looking-at" and
   "match-string-no-properties".

also tells you "when": just look at the code around which to place
save-match-data and if it's clear that the save-match-data is not needed
(as in your case), then don't bother putting it there.


        Stefan