On 27/03/2024 13:50, Eli Zaretskii wrote:
>> Date: Wed, 27 Mar 2024 12:16:11 +0100
>> From:  David Ponce via "Bug reports for GNU Emacs,
>>   the Swiss army knife of text editors" <bug-gnu-emacs@gnu.org>
>>
>> Many thanks for this feature, which is particularly useful to
>> automatically recalculate the map of computed images like SVG.
>>
>> To make the code faster, by avoiding multiple scans of the map for
>> copy and parsing, I propose the following patch which factors most of
>> the code into the functions `image--compute-map' and `image--compute
>> -original-map'. I have done some tests on my side which are
>> conclusive.
>>
>> Furthermore, I wonder if the term :base-map would not be more
>> descriptive than :original-map?
> 
> Thanks.
> 
> Joseph, any comments or suggestions?

Attached the same patch slightly cleaned up.