--- a/src/HOL/HOLCF/IOA/Traces.thy Fri Aug 12 17:49:02 2016 +0200
+++ b/src/HOL/HOLCF/IOA/Traces.thy Fri Aug 12 17:53:55 2016 +0200
@@ -84,7 +84,7 @@
else branch prohibits it. However they can be \<open>sfair\<close> in the case when all
\<open>W\<close> are only finitely often enabled: Is this the right model?
- See @{file "LiveIOA.thy"} for solution conforming with the literature and
+ See \<^file>\<open>LiveIOA.thy\<close> for solution conforming with the literature and
superseding this one.
\<close>