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src/HOL/List.thy
changeset 12114 a8e860c86252
parent 10832 e33b47e4246d
child 12887 d25b43743e10 
--- a/src/HOL/List.thy	Fri Nov 09 00:06:15 2001 +0100
+++ b/src/HOL/List.thy	Fri Nov 09 00:09:47 2001 +0100
@@ -64,7 +64,7 @@
   "[i..j]" == "[i..(Suc j)(]"
 
 
-syntax (symbols)
+syntax (xsymbols)
   "@filter"   :: [pttrn, 'a list, bool] => 'a list        ("(1[_\\<in>_ ./ _])")
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