Re: remove all my added face text properties?

[Samuel Wales <samologist@gmail.com>]

your idea is that magit will add its face properties again?  would
that be using normal-mode or somehing?

On 10/30/22, Jean Louis <bugs@gnu.support> wrote:
> * Samuel Wales <samologist@gmail.com> [2022-10-31 05:58]:
>> i set face properties in a roughly as follows:
>>
>> (defun highlight-1 (extent)
>>              (let ((p (point)))
>>                ;; fixme what do we do to =remove= all of these
>>                ;; added face properties in the buffer?  we need
>>                ;; to do that when re-running this function to not
>>                ;; keep the old stuff around.
>>                ;;
>>                ;; get-text-property but we need to get all?
>>                ;; set-text-properties start end face?
>>                (add-face-text-property p (+ extent p) '(:inverse-video
>> t))))
>>
>> what does one do to keep all the text properties, including face text
>> properties, in the buffer, as they were before i first highlighted
>> anyghing, while at the same time removing the face properties i added?
>>  thank you.
>
> This function will take buffer text without properties and insert it
> again. This will most probably remove your properties, and then
> because of major mode again highlight whatever was highlighted.
>
> (defun rcd-buffer-remove-properties (&optional text)
>   "Remove all properties for TEXT, otherwise buffer."
>   (interactive)
>   (let* ((buffer-or-text (if text nil t))
> 	 (text (if buffer-or-text (buffer-substring-no-properties (point-min)
> (point-max)) text))
> 	 (point (point)))
>     (erase-buffer)
>     (insert text)
>     (goto-char point)))
>
> --
> Jean
>
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