Testing whether a document has option "fleqn"
Herbert Voss
Herbert.Voss at fu-berlin.de
Sat May 4 13:57:17 CEST 2019
Am 04.05.19 um 13:49 schrieb Hefferon, Jim S.:
> \AtBeginDocument{\newenvironment{display}{%
> \@ifclasswith{fleqn}{%
> \trivlist \item \relax \hspace*{\mathindent}
> }{%
> \trivlist \centering \item \relax
> }
> }{%
> \endtrivlist %
> }}
>
> still gives me
>
> ! LaTeX Error: Can be used only in preamble.
Jim,
can you provide a short complete example?
Best
Herbert
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