/usr/share/doc/libsyntax-highlight-engine-kate-perl/examples/samples/highlight.tex is in libsyntax-highlight-engine-kate-perl 0.10+dfsg-1ubuntu2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 | % LaTeX test file for kate's syntax highlighting and code folding
\ordinaryLaTeXcommandwithoption[10pt,a4paper]{article}
% BEGIN region
%comment, this is all ok % $
\%no comments please
\\%comment
% END of region
\newcommand{\nohighlighting}
\section{normal}
\ref{blue}
\pageref{blue}
\cite{blue}
\begin{environmentshavespecialcolors}
normal
\end{environmentshavespecialcolors}
$equations are green, \commands somewhat darker$
normal
$$equations are green, \commands somewhat darker$$
normal
\(
\frac{1}{2}
\begin{test}
\end{test}
\)
normal
\[
%comment
displaymath
\]
normal
\begin{equation}
green\darkergreen
\begin{test}
\test
\end{test}
\end{equation}
\begin{equation*}
green\darkergreen
%comment
\begin{test}
\test
\end{test}
\%no comment
\end{equation*}
\{ %this should be comment
\verb%this shouldn't be%and this should be normal text
\begin{verbatim}
text inside a verbatim environment is also treated special $ %,
you can even put a \begin{verbatim} inside
\end{verbatim}
normal
\begin{Verbatim}
&@@#^%&^#$
\end{Verbatim}
\begin{Verbatim*}
@*&^#@*(^#(*@&
\end{Verbatim*}
normal
|