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src/Pure/proof_general.ML
changeset 18560 6b4570eb22d2
parent 18174 c6e3c6516a23
child 18587 d4dcdfd764a0 
--- a/src/Pure/proof_general.ML	Wed Jan 04 00:52:40 2006 +0100
+++ b/src/Pure/proof_general.ML	Wed Jan 04 00:52:42 2006 +0100
@@ -1197,7 +1197,7 @@
   end
 
   val topnode = Toplevel.node_of o Toplevel.get_state
-  fun topproofpos () = (case topnode() of Toplevel.Proof ph => SOME(ProofHistory.position ph)
+  fun topproofpos () = (case topnode() of Toplevel.Proof (h, _) => SOME(ProofHistory.position h)
                                         | _ => NONE) handle Toplevel.UNDEF => NONE
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