diff --git a/docs/latex/cassiopee_doc_en.tex b/docs/latex/cassiopee_doc_en.tex
index 0b7095d1fb69e62f2a6e4e5810ec1f7a96af2185..57ad984e46254d094365198cfb0db445d0013846 100644
--- a/docs/latex/cassiopee_doc_en.tex
+++ b/docs/latex/cassiopee_doc_en.tex
@@ -47,6 +47,30 @@
 %*******************************************************************************
 \input{cassiopee_preamble.tex}
 
+%*******************************************************************************
+% Preamble specific for this language
+%*******************************************************************************
+
+
+%*******************************************************************************
+% Begin the document
+%*******************************************************************************
+\begin{document}
+%Supprime les veuves et orphelines
+\widowpenalty=10000
+\clubpenalty=10000
+\raggedbottom
+
+% Integre la page de garde
+%\input{title.tex}
+\input{rapport_inrae/cover_inrae}
+\input{rapport/headfoot_content}
+
+\cleardoublepage
+
+% Table des matières
+\cleardoublepage
+\tableofcontents
 
 %*******************************************************************************
 % Contenu de la documentation en anglais, généré par pandoc via mkdocs2pdf.py
diff --git a/docs/latex/cassiopee_doc_fr.tex b/docs/latex/cassiopee_doc_fr.tex
index 2c4c95990883c0fc484cdae90abd4b1f0e2932e8..dbc3b5383b58a9d1371e065d627b012f5544e2e4 100644
--- a/docs/latex/cassiopee_doc_fr.tex
+++ b/docs/latex/cassiopee_doc_fr.tex
@@ -48,6 +48,35 @@
 \input{cassiopee_preamble.tex}
 
 
+%*******************************************************************************
+% Preamble specific for this language
+%*******************************************************************************
+\newunicodechar{à}{\ensuremath{\grave{a}}}
+\newunicodechar{é}{\ensuremath{\acute{e}}}
+\newunicodechar{è}{\ensuremath{\grave{e}}}
+\newunicodechar{ê}{\ensuremath{\ddot{e}}}
+
+
+%*******************************************************************************
+% Begin the document
+%*******************************************************************************
+\begin{document}
+%Supprime les veuves et orphelines
+\widowpenalty=10000
+\clubpenalty=10000
+\raggedbottom
+
+% Integre la page de garde
+%\input{title.tex}
+\input{rapport_inrae/cover_inrae}
+\input{rapport/headfoot_content}
+
+\cleardoublepage
+
+% Table des matières
+\cleardoublepage
+\tableofcontents
+
 %*******************************************************************************
 % Contenu de la documentation en français, généré par pandoc via mkdocs2pdf.py
 %*******************************************************************************
diff --git a/docs/latex/cassiopee_preamble.tex b/docs/latex/cassiopee_preamble.tex
index dc914bc2df7d65babbe06eff26d83ac13da8584b..7ab1ac950b91014aede591065695762172781ce5 100644
--- a/docs/latex/cassiopee_preamble.tex
+++ b/docs/latex/cassiopee_preamble.tex
@@ -51,26 +51,10 @@
 \newunicodechar{α}{\ensuremath{\alpha}}
 \newunicodechar{β}{\ensuremath{\beta}}
 \newunicodechar{μ}{\ensuremath{\mu}}
+\newunicodechar{σ}{\ensuremath{\sigma}}
 \newunicodechar{Δ}{\ensuremath{\Delta}}
 \newunicodechar{☰}{\ensuremath{\equiv}}
 \newunicodechar{≈}{\ensuremath{\approx}}
 \newunicodechar{ϵ}{\ensuremath{\in}}
 \newunicodechar{↵}{\ensuremath{\hookleftarrow}}
 \newunicodechar{≤}{\ensuremath{\leq}}
-
-\begin{document}
-%Supprime les veuves et orphelines
-\widowpenalty=10000
-\clubpenalty=10000
-\raggedbottom
-
-% Integre la page de garde
-%\input{title.tex}
-\input{rapport_inrae/cover_inrae}
-\input{rapport/headfoot_content}
-
-\cleardoublepage
-
-% Table des matières
-\cleardoublepage
-\tableofcontents