replace angle brackets

Co-authored-by: Henrik Tidefelt <henrikt@wolfram.com>

chapters/packages.tex

@@ -336,16 +336,16 @@ \section{Multilingual Descriptions}\label{multilingual-descriptions}
 \end{nonnormative}
 
 The files to support translation must be provided by the developer of the library.
-They must be stored in the resources directory \filename{modelica://<LibraryName>/Resources/Language/}.
+They must be stored in the resources directory \filename{modelica://$\mathit{LibraryName}$/Resources/Language/}.
 
 Two kind of files have to be provided:
 \begin{enumerate}
-\item Template file \filename{<LibraryName>.pot}, as the resource \filename{modelica://<LibraryName>/Resources/Language/<LibraryName>.pot}.
+\item Template file \filename{$\mathit{LibraryName}$.pot}, as the resource \filename{modelica://$\mathit{LibraryName}$/Resources/Language/$\mathit{LibraryName}$.pot}.
 It contains all necessary information to translate all descriptions, but no translations.
-The pattern \filename{<LibraryName>} denotes the toplevel class name of the library.
-\item One file for each supported language with the name \filename{<LibraryName>.<language>.po}, as the resource \filename{modelica://<LibraryName>/Resources/Language/<LibraryName>.<language>.po}.
+The pattern \filename{$\mathit{LibraryName}$} denotes the toplevel class name of the library.
+\item One file for each supported language with the name \filename{$\mathit{LibraryName}$.$\mathit{language}$.po}, as the resource \filename{modelica://$\mathit{LibraryName}$/Resources/Language/$\mathit{LibraryName}$.$\mathit{language}$.po}.
 This file is a copy of the associated template file, but extended with the translations in the specified language.
-The pattern \filename{<language>} stands for the ISO 639-1 language code, e.g. \filename{de} or \filename{en}.
+The pattern \filename{$\mathit{language}$} stands for the ISO 639-1 language code, e.g., \filename{de} or \filename{en}.
 \end{enumerate}
 
 The files consist of a header and a body.