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Re: another texinfo.tex bug in \scanmacro

From: Gavin Smith
Subject: Re: another texinfo.tex bug in \scanmacro
Date: Thu, 17 Mar 2016 07:25:17 +0000

On 17 March 2016 at 01:31, Norbert Preining <address@hidden> wrote:
> Ok, I tried your  suggestion, but that again breaks:

I've checked and using \gdef instead of \def works, because the
definition took place within a TeX group:

\input texinfo   @c -*-texinfo-*-

\gdef\aaa#1{Hello #1}
@end tex
@end iftex

@macro bbb{word}
@end tex
@end macro



I don't know why the original code used to work, because \gdef wasn't
used there either.

> Is this just an incorrect usage of macro definitions and @tex
> in the original sources, that "just happened" to work till 6.0,
> or is there something else behind?

There's nothing else to it as far as I can tell. As far as I know,
this usage has never been documented or encouraged. It appears to be a
recursive definition of a macro which actually uses a definition from

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