On 2011-02-03, Jürgen Spitzmüller wrote:
> Guenter Milde wrote:
>> I see. So, maybe use or copy the date check from latex.ltx:
>> \def\@ifpackagelater{\@ifl@ter\@pkgextension}
>> \def\@ifclasslater{\@ifl@ter\@clsextension}
>> \@onlypreamble\@ifpackagelater
>> \@onlypreamble\@ifclasslater
>> \def\@ifl@ter#1#2{%
>> \expandafter\@ifl@t@r
>> \csname ver@#2.#1\endcsname}
>> \@onlypreamble\@ifl@ter
>> \def\@ifl@t@r#1#2{%
>> \ifnum\expandafter\@parse@version#1//00\@nil<%
>> \expandafter\@parse@version#2//00\@nil
>> \expandafter\@secondoftwo
>> \else
>> \expandafter\@firstoftwo
>> \fi}
>> \@onlypreamble\@ifl@t@r
> This I tried. The problem is that all these commands are
> \@onlypreamble. This does not work in our file.
Two possibilities that come to my mind:
a) Copy the definitions to our file but leave out the \@onlypreamble, of
course.
b) Do the tests in the preamble, store the result in macros and write the
document later.
Günter
