Hello all,
Experimenting with \scantokens for generating characters from the
charcodes, the following issue comes up in XeTeX. For the test file
\show ^^^^^10400
\show ^^^^^^010400
\def\gobble#1{}
\showtokens\expandafter{%
\romannumeral-`\q\expandafter\expandafter\expandafter\gobble
\expandafter\string\csname
\scantokens{^^^^^10400\noexpand}\endcsname%
}
\showtokens\expandafter{%
\romannumeral-`\q\expandafter\expandafter\expandafter\gobble
\expandafter\string\csname
\scantokens{^^^^^^010400\noexpand}\endcsname%
}
the \show statements work fine but the \scantokens versions don't. This
is not limited to the rather odd setup above (used so \showtokens is
applicable): with \everyeof{\noexpand} and a suitable set of \write
statements you see the same in a temporary file.
It seems that something is up once you get to five hexadecimal digits:
bug in XeTeX?
--
Joseph Wright
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