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-rw-r--r--manual/preamble.tex2
1 files changed, 1 insertions, 1 deletions
diff --git a/manual/preamble.tex b/manual/preamble.tex
index 99dfb2f44c..6db6e5394b 100644
--- a/manual/preamble.tex
+++ b/manual/preamble.tex
@@ -288,7 +288,7 @@
\newcommand{\optnvalue}{0}
\newcommand{\nopt}[2]{%
\renewcommand{\optnvalue}{0}\opt{#1}{\renewcommand{\optnvalue}{1}}%
- \ifthenelse{\optnvalue > 0}{}{#2}
+ \ifthenelse{\optnvalue > 0}{}{#2}%
}
% Use the reference to handle get a flexible reference command