Bug with \wordright in LMTX version 2020-08-03 14:25

[Otared Kavian <otared@gmail.com>]

Hi Hans,

A file which used to be typeset correctly with the previous versions of lmtx, now produces an error. Despite the error message being extremely cryptic:

Error	   ! Missing number, treated as zero

I could guess the origin of the bug, which seems to be \wordright,  but although the following minimal example shows a bug it does not produce the same ERROR output page:

%%%% the square ''end of proof''
\definesymbol[Fin][\mathematics{\square}]
\def\qed{\wordright{\symbol[Fin]}}

\starttext
\startformula
a^2 + b^2 = c^2
\stopformula
\qed % the problem is here
\stoptext

In the above example if one adds something before \qed, then the square end-of-proof appears. 
However in my real file ConTeXt ouputs an error page and says: Error	   ! Missing number, treated as zero.

Best regards: Otared




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