bug#70330: [PATCH] Add new custom option `TeX-fold-region-functions'

[Paul Nelson]

Hello,

This patch adds a hook TeX-fold-region-functions, called at the end of
TeX-fold-region.

The motivation is that this can be used to fold miscellaneous tex
stuff.  For example, in https://github.com/ultronozm/czm-tex-fold.el,
I have used similar functionality, implemented via :after advice, to
fold quotes, dashes, and \verb|...| constructs.  The new variable
would allow me to excise the advice.

Thanks, best,

Paul

0001-Add-new-custom-option-TeX-fold-region-functions.patch
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