diff -r 0095de9e9da0 -r b34ff75c23a7 doc-src/TutorialI/Sets/Examples.thy
--- a/doc-src/TutorialI/Sets/Examples.thy	Mon Jul 30 17:07:23 2012 +0200
+++ b/doc-src/TutorialI/Sets/Examples.thy	Mon Jul 30 17:25:45 2012 +0200
@@ -1,7 +1,6 @@
 theory Examples imports Main "~~/src/HOL/Library/Binomial" begin
 
 declare [[eta_contract = false]]
-ML "Pretty.margin_default := 64"
 
 text{*membership, intersection *}
 text{*difference and empty set*}