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Invocation() of a macro created via \let references original macro #849

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tkw1536 opened this issue Jul 9, 2017 · 1 comment
Closed

Invocation() of a macro created via \let references original macro #849

tkw1536 opened this issue Jul 9, 2017 · 1 comment
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@tkw1536
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@tkw1536 tkw1536 commented Jul 9, 2017

Assume we are defining a macro then copy it via a \let into a second macro with something like

\def\dummymacro{}
\let\othermacro\dummymacro

If we now want to now have tokens representing the invocation of this macro, we should then be able to use

Invocation('\othermacro');

which we would expect to return a single T_CS('\othermacro'). When running this code however, we get T_CS('\dummymacro') instead.

This comes from a more complicated scenario I encountered while updating keyval bindings, but I have gotten it down to this very basic example. This caused an infinite loop, making debugging very hard.

@brucemiller
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@brucemiller brucemiller commented Jul 15, 2017

This should be fixed now; thanks for the report!

@dginev dginev added this to the LaTeXML-0.8.3 milestone Jan 6, 2018
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