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-rw-r--r--lib/pp_diff.ml2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/pp_diff.ml b/lib/pp_diff.ml
index 7b4b1eab73..a485bf31c0 100644
--- a/lib/pp_diff.ml
+++ b/lib/pp_diff.ml
@@ -86,7 +86,7 @@ let shorten_diff_span dtype diff_list =
if (get_variant !src) = dtype then begin
if (lt !dst !src) then
dst := !src;
- while (lt !dst len) && (get_variant !dst) <> `Common do
+ while (lt !dst len) && (get_variant !dst) = dtype do
dst := !dst + incr;
done;
if (lt !dst len) && (get_str !src) = (get_str !dst) then begin