Arash Esbati <[email protected]> writes:

> "Pichler, Alois" <[email protected]> writes:
>
>> The LaTeX-package ‘mathtools’ has the useful setting ‘showonlyrefs’ to
>> suppress equations numbers, which are not referenced in the text.
>> AUCTeX’s preview currently ignores this setting. Here is a minimal example:
>> \usepackage{mathtools}
>> \mathtoolsset{showonlyrefs}
>>
>> \begin{equation}\label{eq:1}
>>    x=3   %   <--   preview will display “x=3”, not “x=3   (1)”, etc.
>> \end{equation}
>> In~\eqref{eq:1}, ... % equation will be numbered, because referenced here
>
> I confirm the behavior you describe.  I'm not sure if it is possible to
> easily fix it.  mathtools.sty seems to hack LaTeX internals do achieve
> the behavior, since it needs some additional LaTeX runs to get
> everything right (I only had a brief look at the source).  I fear this
> will end up as "wontfix" if others don't have a good idea.

It seems nobody has a good idea how to solve this.  I'm closing this
report as wontfix.  We can reopen if someone steps forward.

Best, Arash



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