mailing-list for TeXmacs Users

[Martin Costabel <address@hidden>]

[]
> As far as the "why" is concerned, the only approach which works
> all the time is the "dichotomic iterative simplification" of
> your file: remove parts of the file step by step, till you remove
> one which also removes the crash: then you've found the offending
> input, and the bug becomes reproducible (which is the first, and
> mandatory step for people to be able to debug the software).

The offending input is obvious:

\newcommand{\tmtextbf}[1]{\tmtextbf{#1}}
\newcommand{\subsection}{{\macro{{\macro{1}{{\medskip}{\bigskip}
{\noindent}\tmtextbf{{\Large }}}}}}}

Texmacs interprets this as a command to go into an infinite loop, and 
after a couple of hundred iterations, it mercifully throws a 
segmentation fault and crashes.

I don't know anything about Texmacs' dialect of latex, but the example 
is not valid latex in any case. Latex gives up very quickly because of 
duplicate definitions.

--
Martin