Re: Counting bracketing marks

[fatiparty]

Mar 17, 2022, 00:31 by help-gnu-emacs@gnu.org:

> Mar 16, 2022, 19:48 by help-gnu-emacs@gnu.org:
>
>> I want to count the number of opening and closing marks `(` and `)` .
>>
>> (defun bracketing-count (region-start region-end)
>>   "Count opening and closing bracketing marks."
>>   (interactive "r")
>>
>>   (save-excursion
>>     (let ( count (count-matches "\(" (point) region-end) )
>>       (message "%d" count) )))
>>
> But this is giving me 
>
> save-excursion: let' bindings can have only one value-form:    count-matches, 
> "(", (point), region-end user-error: Minibuffer    window is not active`.
>
Figured out that I needed to enclose the count variable within parentheses.

   (let ( (count (count-matches "\(" (point) region-end)) )

But with this change, I get a count of zero (0) on the following line

     (global-set-key (kbd "[")  'skeleton-pair-insert-maybe)