Re: [AUCTeX-devel] RefTeX: Create BibTeX file misses citations

[Ralf Angeli]

* Wolfgang Mayer (2009-02-25) writes:

> reftex-all-used-citation-keys extracts only the cite keys that appear
> in the last \cite{} command in a line, but skips other \cite{}'s on
> the same line.
>
> Enclosed are:
> * a test case to demonstrate the problem (.tex and .bib file) (tested
>   using Emacs 22.3.1, today's CVS checkout, reftex-cite.el revision
>   1.52)
> * a patch to fix it.

Thanks!  I've applied the patch.

> -            (while (re-search-forward 
> "^[^%\n\r]*\\\\\\(bibentry\\|[a-zA-Z]*cite[a-zA-Z]*\\)\\(\\[[^\\]]*\\]\\)?{\\([^}]+\\)}"
>  nil t)
> +            (while (re-search-forward 
> "\\(?:^\\|\\=\\)[^%\n\r]*?\\\\\\(bibentry\\|[a-zA-Z]*cite[a-zA-Z]*\\)\\(\\[[^\\]]*\\]\\)?{\\([^}]+\\)}"
>  nil t)

Just as a random thought: Using \= here is a smart way to prevent the
regexp from matching in %-based comments.  Should we ever want to use
RefTeX for modes with other comment starters, we might have to think
about doing things like this with `reftex-in-comment'.

-- 
Ralf