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authorgareuselesinge2013-10-22 14:31:45 +0000
committergareuselesinge2013-10-22 14:31:45 +0000
commit8cb2656507f44b7342ac4b75f787dd8f832ada84 (patch)
tree0221657d74a936199b9328a3f2af8e5ac0e17a6c
parentb16c1a41dc9e4a00abb734dc820fff396c338634 (diff)
STM: proper error message if the GUI edits_at a dummy state
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@16909 85f007b7-540e-0410-9357-904b9bb8a0f7
-rw-r--r--toplevel/stm.ml1
1 files changed, 1 insertions, 0 deletions
diff --git a/toplevel/stm.ml b/toplevel/stm.ml
index f63cd9e4e5..85e9a30ab1 100644
--- a/toplevel/stm.ml
+++ b/toplevel/stm.ml
@@ -1590,6 +1590,7 @@ type focus = {
}
let edit_at id =
+ if Stateid.equal id Stateid.dummy then anomaly(str"edit_at dummy") else
let vcs = VCS.backup () in
let on_cur_branch id =
let rec aux cur =