>>>>> Tassilo Horn <t...@gnu.org> writes: > Works like a charm, and good catch! How did you find the culprit?
> With `jit-lock-debug-mode' I get as far as getting a message > Error running timer ‘jit-lock--debug-fontify’: (end-of-buffer) > which clearly tells we're trying to moe farther than end of buffer but > still there is no indication where we're doing that. Do you have some > trick I'm not aware of yet? No, just ordinary hand debug with edebug as an auxiliary tool. :-) A possible advantage for me is that I encountered a similar example before and saved it for future debug: ---------------------------------------------------------------------- \documentclass{article} \begin{document} \verb|^=}{\| \verb$'&\$ $aaa$ \verb|a$bc$d| \end{document} %%% Local Variables: %%% mode: latex %%% TeX-master: t %%% End: ---------------------------------------------------------------------- From Jean's example, I learned that unclosed dollar sign is involved in this symptom. So I suspected that dollar fontification causes some error to interrupt font lock, ending up with partial fontification. (1) After some unsuccessful tries&errors, I put the point just before the last $ in the Jean's example and did M-: (font-latex-match-dollar-math (point-max)) RET (2) Emacs signaled end-of-buffer error. So I could be confident that the problem hides in `font-latex-match-dollar-math' or the vicinity of it. (3) I enabled edebug for `font-latex-match-dollar-math' and tried M-: (font-latex-match-dollar-math (point-max)) RET after putting the point before the last $ again. (4) Then I noticed that the second call to `font-latex-find-dollar-math' returns t, which should be nil because this last $ is unclosed in the buffer. (5) I looked at `font-latex-find-dollar-math' carefully and noticed that it returns false t if LIMIT argument exceeds end of buffer. Regards, Ikumi Keita _______________________________________________ bug-auctex mailing list bug-auctex@gnu.org https://lists.gnu.org/mailman/listinfo/bug-auctex