This patch ensure that LaTeX code produced by Doxygen will
build correctly after Doxygen has changed its behaviour.
diff --git a/doc/OpenMS_tutorial/refman_overwrite.tex.in b/doc/OpenMS_tutorial/refman_overwrite.tex.in
index 869f6c1..740836f 100644
--- a/doc/OpenMS_tutorial/refman_overwrite.tex.in
+++ b/doc/OpenMS_tutorial/refman_overwrite.tex.in
@@ -26,6 +26,13 @@
 \makeindex
 \setcounter{tocdepth}{1}
 \renewcommand{\footrulewidth}{0.4pt}
+
+% Filippo Rusconi <lopippo@debian.org>: backport of code from "Aiche,
+% Stephan" <Stephan.Aiche@fu-berlin.de> to fix the failing building of
+% this documentation following a change in the way Doxygen converts
+% doc to LaTeX.
+\newcommand{\+}{\discretionary{\mbox{\scriptsize$\hookleftarrow$}}{}{}}
+
 \begin{document}
 
 \begin{titlepage}
diff --git a/doc/TOPP_tutorial/refman_overwrite.tex.in b/doc/TOPP_tutorial/refman_overwrite.tex.in
index 97ea049..ea3d17e 100644
--- a/doc/TOPP_tutorial/refman_overwrite.tex.in
+++ b/doc/TOPP_tutorial/refman_overwrite.tex.in
@@ -26,6 +26,13 @@
 \makeindex
 \setcounter{tocdepth}{1}
 \renewcommand{\footrulewidth}{0.4pt}
+
+% Filippo Rusconi <lopippo@debian.org>: backport of code from "Aiche,
+% Stephan" <Stephan.Aiche@fu-berlin.de> to fix the failing building of
+% this documentation following a change in the way Doxygen converts
+% doc to LaTeX.
+\newcommand{\+}{\discretionary{\mbox{\scriptsize$\hookleftarrow$}}{}{}}
+
 \begin{document}
 
 \begin{titlepage}
