Hi all, > >I've been trying to use the \overrightarrow command within a metapost > >graphic, > >but it doesn't work. Math mode does work, for example \vec works like > >expected. Outside of metapost, \overrightarrow works as expected. This seems to broken for extensible math arrows like \xrightarrow as well.
> \let\normaloverrightarrow\overrightarrow
> \unexpanded\def\overrightarrow{\normaloverrightarrow}
And this fix helps there as well. Could this perhaps be fixed in general for
all extensible arrows?
Gr.
Matthijs
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