Hello!

Org-mode recently added support for editing LaTeX fragments in the minibuffer (https://code.orgmode.org/bzg/org-mode/commit/f5c47d8). While I have previously noticed occasions where (texmathp) has failed to pick up math mode from LaTeX inline deliminators (by which I mean \(\) and \[\]), with this it's become increacingly apparent to me. Perhaps there are issues caused by not having a full LaTeX file with \begin{document} etc., but this doesn't seem to be an issue with 'old' TeX deliminators ($…$ and $$…$$).

Consider the following examples

#+BEGIN_EXPORT latex \(a\) #+END_EXPORT

and

#+BEGIN_EXPORT latex \[
   a
\] #+END_EXPORT

In both cases (texmathp) returns nil. However if I replace these LaTeX deliminators with their TeX counterparts, (texmathp) rteurns t, correctly.

When using say CDLaTeX it automatically inserts deliminators if (texmathp) returns nil, this is obviously problematic, as it causes 'nesting' of deliminators, I.e. \(\(\alpha\)\).

Interestingly, once a level of nesting has been performed, (texmathp) returns t.

I hope that someone may be willing to tweak texmathp and have it produce correct results in these cases.

Regards,

Timothy.



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