From b914ea9a31738358bd44653dbbee939bfb3468ad Mon Sep 17 00:00:00 2001
From: Yann Salmon <nomail@yannsalmon.fr>
Date: Thu, 25 Feb 2021 10:48:26 +0100
Subject: [PATCH] Update yssymbols.sty

---
 latex/yssymbols.sty | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/latex/yssymbols.sty b/latex/yssymbols.sty
index c04e7a5..933a58b 100644
--- a/latex/yssymbols.sty
+++ b/latex/yssymbols.sty
@@ -73,8 +73,9 @@
 \RequirePackage{faktor}
 \let\ensquot\faktor
 
-\def\ssi{\@ifnextchar i{si et seulement s'}{si et seulement si\xspace}}
-
+\def\ssitext{\@ifnextchar i{si et seulement s'}{si et seulement si\xspace}}
+\def\ssimath{\text{ s.s.i }}
+\def\ssi{\ifmmode\ssimath\else\ssitext\fi}
 \RequirePackage{relsize}
 \DeclareRobustCommand\mention[1]{\texorpdfstring{\tikz[baseline=(char.base)]{
         \node[shape=rectangle, rounded corners,draw,inner sep=2pt] (char) {\textsmaller{#1}};}}{(#1)}}