Thanks for the answers.
Hooman, you are right, math-mode is needed to fix syntax-highlighting. I
have developed two solutions:
1) in the syntax file tex.vim one can define a new "texMathZoneXY" (i
simply adapted texMathZoneZ) (~line 340). And add a "texMathZoneXY" next
to each other occurence of texMathZoneZ.
2) A collegue of mine suggested to put these diagrams in an
equation-environment (to get eqn-numbers and labels). That also fixes it
without touching the syntax.
regards, Sebastian.
Am Samstag, den 05.05.2007, 15:06 -0400 schrieb coupled cores:
> I have noticed this behaviour. When you use raw TeX code inside a
> LaTeX document, the _(underscore) and ^ and @ are highlighted with a
> red background. I think the syntax highlighting of the LaTeX files
> expects these special characters to appear only inside math
> environment such as $$ or \begin{equation} \end{equation}.
>
> All being said, I don't have any solution for that. I just let them be
> with the red backgrounds.
>
> Peace,
> Hooman
>
> On 5/3/07, Sebastian Menge <[EMAIL PROTECTED]> wrote:
> > Hi
> >
> > Im using the package xy-pic for drawing some diagrams. The TeX-code
> > looks like this:
> >
> > \centerline{
> > \xymatrix{
> > E \ar@/^/[r]^s \ar@/_/[r]_t & V
> > } }
> >
> > or
> >
> > \centerline{
> > \xymatrix{
> > & S \times I \ar@/_/[dl]_t \ar[dl]_{\pi_1} \ar[d]^{\pi_2} \ar[dr]^o& \
> > \
> > S & I & O
> > } }
> >
> >
> > Syntax highlighting gets wrong for this: I get a lot of ugly characters
> > with red background (looks like errorenous code). This occurs at "@" and
> > "_".
> >
> > Oh, while i write a get an idea. Inside \xymatrix is math-text.
> > Probably latex-suite does not recognize this and treats it as standard
> > text !?
> >
> > How can i change that?
> >
> > Sebastian.
> >
> >
> >
> >
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