bug#67536: 29.1; Calc mode's math-read-preprocess-string conses unnecessarily

[Raffael Stocker]

Mattias Engdegård <mattias.engdegard@gmail.com> writes:

> 18 dec. 2023 kl. 12.39 skrev Raffael Stocker <r.stocker@mnet-mail.de>:
>
>> ...and my test did not catch that edge case.  I extended the test with
>> this and an empty ‘math-read-replacement-list’ for good measure
>> (although I don't quite know which use case that might be).  The test
>> fails for the previous version and succeeds for the original and this
>> new one.
>
> Thanks, now pushed to master.
> The code could be sped up further if necessary but I suppose this will do for 
> now. Otherwise, let us know.

Yes, I think this will be fine.  Thanks!