Your bug report

#29249: 11.91; Formulae are no longer shown with preview LaTeX

which was filed against the auctex package, has been closed.

The explanation is attached below, along with your original report.
If you require more details, please reply to 29249@debbugs.gnu.org.

-- 
29249: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=29249
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