nobiot <me@nobiot.com> writes:

>> May you try the attached patch?
>
> I would love to help this patch move forward and would be happy to try
> the patch, if this is not going to waste anyone's time:
>
> (1) I took the liberty of creating two test Org files we can use on
>     sr.ht: https://git.sr.ht/~nobiot/org-radio-links-patch-20240228/tree
>
>     The two files, `500-terms.org`  and `5000-terms.org`, contain 500
>     and 5000 radio targets respectively.
>
>     Both files have two H1 headlines "Definitions" and "Body text". Once
>     you open the file, call `M-x org-update-radio-target-regexp`. For
>     500 entries, radio targets work beautifully; for the 5000 entries, I
>     get 'org-element-context: Invalid regexp: "Regular expression too
>     big"' error.

The attached version of the patch should work for 5000-terms.org.
(I had to scale down the maximum allowed regexp size; apparently,
the number from C sources was not small enough).

> (2) I am struggling to apply the patch cleanly to the current HEAD of
>     Org-mode source. I git-cloned the source from
>     https://git.sr.ht/~bzg/org-mode (commit 755fef38f Merge branch
>     'bugfix').
>
>     I use Magit and use "W" -> "a" -> "a" to apply the
>     plain patch file. I "get error: patch failed:

You need Www.