(interval_of): Handle Qt.

diff --git a/src/textprop.c b/src/textprop.c
index 091e513689d23e50e29ff463fa8b192a9c3f4a15..26d06cd7659067b19ebcf27f41cbc9087133e6a6 100644 (file)
--- a/src/textprop.c
+++ b/src/textprop.c
@@ -492,6 +492,8 @@ interval_of (position, object)
 
   if (NILP (object))
     XSETBUFFER (object, current_buffer);
+  else if (EQ (object, Qt))
+    return NULL_INTERVAL;
 
   CHECK_STRING_OR_BUFFER (object, 0);