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-rwxr-xr-xdoc/common/macros.tex1
1 files changed, 1 insertions, 0 deletions
diff --git a/doc/common/macros.tex b/doc/common/macros.tex
index 418fe1436e..11301a5fe3 100755
--- a/doc/common/macros.tex
+++ b/doc/common/macros.tex
@@ -280,6 +280,7 @@
\newcommand{\Function}{{\textbf{function }}}
\newcommand{\Rec}{{\textbf{rec }}}
%\newcommand{\cn}{\centering}
+\newcommand{\nth}{\mbox{$^{\mbox{\scriptsize th}}$}}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% Math commands and symbols %