[Dev-luatex] incompatible \meaning of \mathchar command

Heiko Oberdiek heiko.oberdiek at googlemail.com
Sun Nov 28 04:14:34 CET 2010


\meaning produces a different output for luatex for
commands, defined by \mathchardef, test file for

  \mathchardef\x=0 %
  \csname @@end\endcsname\end

Result for "luatex --ini":
All other TeX compilers (tex/pdftex/xetex) don't
print leading zeros:

Is this on purpose or an accident/bug?

Yours sincerely
  Heiko Oberdiek

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