(graft_intervals_into_buffer):

Don't call set_text_properties_1 on an empty interval.

diff --git a/src/intervals.c b/src/intervals.c
index b55cd64e45e18bb998bb958e199caf86c526295c..c1a088b1065557e907f4cac1ce03052872d3005d 100644 (file)
--- a/src/intervals.c
+++ b/src/intervals.c
@@ -1690,7 +1690,7 @@ graft_intervals_into_buffer (source, position, length, buffer, inherit)
   if (NULL_INTERVAL_P (source))
     {
       Lisp_Object buf;
-      if (!inherit && ! NULL_INTERVAL_P (tree))
+      if (!inherit && !NULL_INTERVAL_P (tree) && length > 0)
        {
          XSETBUFFER (buf, buffer);
          set_text_properties_1 (make_number (position),