--- a/src/HOL/Library/Lattice_Syntax.thy Mon Dec 28 19:23:15 2015 +0100
+++ b/src/HOL/Library/Lattice_Syntax.thy Mon Dec 28 21:47:32 2015 +0100
@@ -14,7 +14,7 @@
Inf ("\<Sqinter>_" [900] 900) and
Sup ("\<Squnion>_" [900] 900)
-syntax (xsymbols)
+syntax
"_INF1" :: "pttrns \<Rightarrow> 'b \<Rightarrow> 'b" ("(3\<Sqinter>_./ _)" [0, 10] 10)
"_INF" :: "pttrn \<Rightarrow> 'a set \<Rightarrow> 'b \<Rightarrow> 'b" ("(3\<Sqinter>_\<in>_./ _)" [0, 0, 10] 10)
"_SUP1" :: "pttrns \<Rightarrow> 'b \<Rightarrow> 'b" ("(3\<Squnion>_./ _)" [0, 10] 10)