Jürgen Spitzmüller wrote:
Oscar Lopez wrote:
* if the lyx preamble consists of \input{foo.tex} it does not work and
the aforementioned error appears. If I enclose \input{foo.tex} between
\makeatletter and \makeatother then it works, which really puzzles me.
*if the content of the preamble foo.tex is directly included in the lyx
preamble
everything work like expected.
Jurgen:
Thank you very much for your detailed and helpful explanation
The glyph '@' has two different meanings in LaTeX. It is used as an active
char (inside the document) and (for instance) as a namespace delimiter (in
classes). The latter is the case in your preamble snippet, e.g. in
l...@mkboth\markboth
To switch between these two meanings, the commands \makeatletter and
\makeatother are used. In general, you always need to embrace preamble code
with
\makeatletter
...
\makeatother
if it contains an '@'.
LyX does this automatically for you, that's why your document works if the
code is inserted directly to the preamble. In former versions, Lyx blindly
embraced any preamble with this pair. Now, it tries to be smart and only
embraces it if the preamble actually contains an @-glyph.
In the \include-version, this is not the case.
So now, somehow lyx parses the preamble and tries to be smart enough.
The solution is
a.) to embrace the original code accordingly, if it is in a normal tex file
or
ok! This solves the problem.
Thanks again for your help, it is really appreciated.
Best regards
b.) make it a real sty-File (where this is not needed).
HTH,
Jürgen
