update

[tt1516.git] / mbt_exercises / pre.tex

diff --git a/mbt_exercises/pre.tex b/mbt_exercises/pre.tex
index 723347a..529c8be 100644 (file)
--- a/mbt_exercises/pre.tex
+++ b/mbt_exercises/pre.tex
@@ -5,6 +5,6 @@
 \usepackage{cancel}
 \usepackage{amsmath}
 \usepackage{a4wide}
-\usepackage{xypic}
+\usepackage[curve]{xypic}
 
 \everymath{\displaystyle}