From 3833c9ce05a4b2df1dee2959156c9999a57819a9 Mon Sep 17 00:00:00 2001
From: Yann Salmon <nomail@yannsalmon.fr>
Date: Sat, 27 Feb 2021 23:31:24 +0100
Subject: [PATCH] Update ystikz.sty

---
 latex/ystikz.sty | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/latex/ystikz.sty b/latex/ystikz.sty
index 750d510..144fafc 100644
--- a/latex/ystikz.sty
+++ b/latex/ystikz.sty
@@ -69,7 +69,8 @@
       anchor=north
     }
   },
-  ssarbre/.style={isosceles triangle, draw, shape border rotate=90, minimum size=.7cm, child anchor=apex, anchor=apex}
+  ssarbre/.style={isosceles triangle, draw, shape border rotate=90, minimum size=.7cm, child anchor=apex, anchor=apex},
+  square/.style={regular polygon,regular polygon sides=4, inner sep=0pt, minimum size=.7cm}
 }
 
 \tikzstyle{basevertex} = [circle,