(set_properties, add_properties, remove_properties):

Don't call modify_region or signal_after_change here.
(Fset_text_properties, Fadd_text_properties, Fremove_text_properties):
Call them here when appropriate.

diff --git a/src/textprop.c b/src/textprop.c
index 0ef85117eaceaee1a65af7538c51f3667cc0dec6..27698f925e1d7192c5b5c7fec31cdef921224543 100644 (file)
--- a/src/textprop.c
+++ b/src/textprop.c
@@ -299,14 +299,9 @@ set_properties (properties, interval, object)
        if (! EQ (property_value (properties, XCONS (sym)->car),
                  XCONS (value)->car))
          {
-           modify_region (XBUFFER (object),
-                          interval->position,
-                          interval->position + LENGTH (interval));
            record_property_change (interval->position, LENGTH (interval),
                                    XCONS (sym)->car, XCONS (value)->car,
                                    object);
-           signal_after_change (interval->position, LENGTH (interval),
-                                LENGTH (interval));
          }
 
       /* For each new property that has no value at all in the old plist,
@@ -316,14 +311,9 @@ set_properties (properties, interval, object)
           sym = XCONS (value)->cdr)
        if (EQ (property_value (interval->plist, XCONS (sym)->car), Qunbound))
          {
-           modify_region (XBUFFER (object),
-                          interval->position,
-                          interval->position + LENGTH (interval));
            record_property_change (interval->position, LENGTH (interval),
                                    XCONS (sym)->car, Qnil,
                                    object);
-           signal_after_change (interval->position, LENGTH (interval),
-                                LENGTH (interval));
          }
     }
 
@@ -386,12 +376,8 @@ add_properties (plist, i, object)
            /* Record this change in the buffer, for undo purposes.  */
            if (BUFFERP (object))
              {
-               modify_region (XBUFFER (object),
-                              i->position,
-                              i->position + LENGTH (i));
                record_property_change (i->position, LENGTH (i),
                                        sym1, Fcar (this_cdr), object);
-               signal_after_change (i->position, LENGTH (i), LENGTH (i));
              }
 
            /* I's property has a different value -- change it */
@@ -405,12 +391,8 @@ add_properties (plist, i, object)
          /* Record this change in the buffer, for undo purposes.  */
          if (BUFFERP (object))
            {
-             modify_region (XBUFFER (object),
-                            i->position,
-                            i->position + LENGTH (i));
              record_property_change (i->position, LENGTH (i),
                                      sym1, Qnil, object);
-             signal_after_change (i->position, LENGTH (i), LENGTH (i));
            }
          i->plist = Fcons (sym1, Fcons (val1, i->plist));
          changed++;
@@ -446,13 +428,9 @@ remove_properties (plist, i, object)
        {
          if (BUFFERP (object))
            {
-             modify_region (XBUFFER (object),
-                            i->position,
-                            i->position + LENGTH (i));
              record_property_change (i->position, LENGTH (i),
                                      sym, Fcar (Fcdr (current_plist)),
                                      object);
-             signal_after_change (i->position, LENGTH (i), LENGTH (i));
            }
 
          current_plist = Fcdr (Fcdr (current_plist));
@@ -469,12 +447,8 @@ remove_properties (plist, i, object)
            {
              if (BUFFERP (object))
                {
-                 modify_region (XBUFFER (object),
-                                i->position,
-                                i->position + LENGTH (i));
                  record_property_change (i->position, LENGTH (i),
                                          sym, Fcar (Fcdr (this)), object);
-                 signal_after_change (i->position, LENGTH (i), LENGTH (i));
                }
 
              Fsetcdr (Fcdr (tail2), Fcdr (Fcdr (this)));
@@ -897,6 +871,8 @@ Return t if any property value actually changed, nil otherwise.")
        }
     }
 
+  modify_region (XBUFFER (object), XINT (start), XINT (end));
+
   /* We are at the beginning of interval I, with LEN chars to scan.  */
   for (;;)
     {
@@ -911,11 +887,18 @@ Return t if any property value actually changed, nil otherwise.")
          UNGCPRO;
 
          if (interval_has_all_properties (properties, i))
-           return modified ? Qt : Qnil;
+           {
+             signal_after_change (XINT (start), XINT (end) - XINT (start),
+                                  XINT (end) - XINT (start));
+
+             return modified ? Qt : Qnil;
+           }
 
          if (LENGTH (i) == len)
            {
              add_properties (properties, i, object);
+             signal_after_change (XINT (start), XINT (end) - XINT (start),
+                                  XINT (end) - XINT (start));
              return Qt;
            }
 
@@ -924,6 +907,8 @@ Return t if any property value actually changed, nil otherwise.")
          i = split_interval_left (unchanged, len);
          copy_properties (unchanged, i);
          add_properties (properties, i, object);
+         signal_after_change (XINT (start), XINT (end) - XINT (start),
+                              XINT (end) - XINT (start));
          return Qt;
        }
 
@@ -964,6 +949,7 @@ is the string or buffer containing the text.")
   register INTERVAL prev_changed = NULL_INTERVAL;
   register int s, len;
   Lisp_Object ostart, oend;
+  int have_modified = 0;
 
   ostart = start;
   oend = end;
@@ -979,7 +965,13 @@ is the string or buffer containing the text.")
       && XFASTINT (start) == 0
       && XFASTINT (end) == XSTRING (object)->size)
     {
+      if (! XSTRING (object)->intervals)
+       return Qt;
+
+      modify_region (XBUFFER (object), XINT (start), XINT (end));
       XSTRING (object)->intervals = 0;
+      signal_after_change (XINT (start), XINT (end) - XINT (start),
+                          XINT (end) - XINT (start));
       return Qt;
     }
 
@@ -1005,6 +997,8 @@ is the string or buffer containing the text.")
   s = XINT (start);
   len = XINT (end) - s;
 
+  modify_region (XBUFFER (object), XINT (start), XINT (end));
+
   if (i->position != s)
     {
       unchanged = i;
@@ -1015,13 +1009,21 @@ is the string or buffer containing the text.")
          copy_properties (unchanged, i);
          i = split_interval_left (i, len);
          set_properties (properties, i, object);
+         signal_after_change (XINT (start), XINT (end) - XINT (start),
+                              XINT (end) - XINT (start));
+
          return Qt;
        }
 
       set_properties (properties, i, object);
 
       if (LENGTH (i) == len)
-       return Qt;
+       {
+         signal_after_change (XINT (start), XINT (end) - XINT (start),
+                              XINT (end) - XINT (start));
+
+         return Qt;
+       }
 
       prev_changed = i;
       len -= LENGTH (i);
@@ -1045,6 +1047,8 @@ is the string or buffer containing the text.")
          set_properties (properties, i, object);
          if (!NULL_INTERVAL_P (prev_changed))
            merge_interval_left (i);
+         signal_after_change (XINT (start), XINT (end) - XINT (start),
+                              XINT (end) - XINT (start));
          return Qt;
        }
 
@@ -1062,6 +1066,8 @@ is the string or buffer containing the text.")
       i = next_interval (i);
     }
 
+  signal_after_change (XINT (start), XINT (end) - XINT (start),
+                      XINT (end) - XINT (start));
   return Qt;
 }
 
@@ -1112,6 +1118,8 @@ Return t if any property was actually removed, nil otherwise.")
        }
     }
 
+  modify_region (XBUFFER (object), XINT (start), XINT (end));
+
   /* We are at the beginning of an interval, with len to scan */
   for (;;)
     {
@@ -1126,6 +1134,8 @@ Return t if any property was actually removed, nil otherwise.")
          if (LENGTH (i) == len)
            {
              remove_properties (properties, i, object);
+             signal_after_change (XINT (start), XINT (end) - XINT (start),
+                                  XINT (end) - XINT (start));
              return Qt;
            }
 
@@ -1134,6 +1144,8 @@ Return t if any property was actually removed, nil otherwise.")
          i = split_interval_left (i, len);
          copy_properties (unchanged, i);
          remove_properties (properties, i, object);
+         signal_after_change (XINT (start), XINT (end) - XINT (start),
+                              XINT (end) - XINT (start));
          return Qt;
        }