fix encoding

Author: Vladimir Kotal

intro.tex

@@ -845,7 +845,7 @@
 \sltitle{Compiler}
 \renewcommand{\arraystretch}{1.1}
 \begin{itemize}
-\item volání:\\
+\item usage:\\
 \texttt{cc [\emph{options}] \emph{file} \dots}
 \item the most important options:\\
 \begin{tabular}{ll}
@@ -1811,7 +1811,6 @@
 \end{itemize}
 
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-% Konvence pøedávání parametrù a environmentových promìnných
 
 \pdfbookmark[1]{argv, argc}{args}