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-rw-r--r--tactics/tacinterp.ml4
1 files changed, 2 insertions, 2 deletions
diff --git a/tactics/tacinterp.ml b/tactics/tacinterp.ml
index 0a746d283..7ce158fd1 100644
--- a/tactics/tacinterp.ml
+++ b/tactics/tacinterp.ml
@@ -1040,8 +1040,8 @@ let read_pattern lfun ist env sigma = function
let cons_and_check_name id l =
if Id.List.mem id l then
user_err_loc (dloc,"read_match_goal_hyps",
- strbrk ("Hypothesis pattern-matching variable "^(Id.to_string id)^
- " used twice in the same pattern."))
+ str "Hypothesis pattern-matching variable " ++ pr_id id ++
+ str " used twice in the same pattern.")
else id::l
let rec read_match_goal_hyps lfun ist env sigma lidh = function