Rudolf Adamkovič <salutis@me.com> writes:

> Greetings smart people!
>
> All [[link]]s in my notes perfectly match LEVEL-1 headings, so I figured
> that I may as well ask Org to make links for me.  So, I replaced all the
> ~4000 headings in my notes with radio <<<targets>>>.  However, Org now
> errors out with "Regular expression too big".
>
> Does anyone know how to overcome this limitation?  Or, perhaps someone
> has a patch in works that fixes it?  If so, please let me know!

This is C-level error emitted by Emacs' regexp engine.

Can you try the attached patch?