Adding env to modify margins

memoire.tex

@@ -30,6 +30,18 @@
 
 \hyphenation{con-cen-trent}
 \hyphenation{Cayley} 
+\hyphenation{Modalys} 
+\hyphenation{OpenMusic} 
+
+\newenvironment{agrandirmarges}[1]{%
+    \begin{list}{}{%
+        \setlength{\topsep}{0pt}%
+            \setlength{\listparindent}{\parindent}%
+            \setlength{\itemindent}{\parindent}%
+            \setlength{\parsep}{0pt plus 1pt}%
+            \setlength{\leftmargin}{-#1}\setlength{\rightmargin}{-#1}}
+    \item }%
+{\end{list}}
 
 \begin{document}
 \titlehead{{\Large\ircam\hfill\lps}\\%