(insert_1_both, insert_from_string_1, insert_from_buffer_1)

(adjust_after_replace, replace_range):
Account for combining bytes in args to record_insert.
(del_range_2): Make undo records for combining bytes.
Put second call to move_gap_both before setting beg_unchanged.

diff --git a/src/insdel.c b/src/insdel.c
index 1a677d0..843a76e 100644 (file)
--- a/src/insdel.c
+++ b/src/insdel.c
@@ -911,7 +911,8 @@ insert_1_both (string, nchars, nbytes, inherit, prepare, before_markers)
   if (combined_before_bytes)
     record_delete (PT - 1, 1);
 
-  record_insert (PT - !!combined_before_bytes, nchars);
+  record_insert (PT - !!combined_before_bytes,
+                nchars - combined_before_bytes + !!combined_before_bytes);
   MODIFF++;
 
   bcopy (string, GPT_ADDR, nbytes);
@@ -1081,7 +1082,8 @@ insert_from_string_1 (string, pos, pos_byte, nchars, nbytes,
   if (combined_before_bytes)
     record_delete (PT - 1, 1);
 
-  record_insert (PT - !!combined_before_bytes, nchars);
+  record_insert (PT - !!combined_before_bytes,
+                nchars - combined_before_bytes + !!combined_before_bytes);
   MODIFF++;
 
   GAP_SIZE -= outgoing_nbytes;
@@ -1236,7 +1238,8 @@ insert_from_buffer_1 (buf, from, nchars, inherit)
   if (combined_before_bytes)
     record_delete (PT - 1, 1);
 
-  record_insert (PT - !!combined_before_bytes, nchars);
+  record_insert (PT - !!combined_before_bytes,
+                nchars - combined_before_bytes + !!combined_before_bytes);
   MODIFF++;
 
   GAP_SIZE -= outgoing_nbytes;
@@ -1333,7 +1336,8 @@ adjust_after_replace (from, from_byte, to, to_byte, len, len_byte)
     move_gap_both (GPT + combined_after_bytes,
                   GPT_BYTE + combined_after_bytes);
 
-  record_insert (from - !!combined_before_bytes, len);
+  record_insert (from - !!combined_before_bytes,
+                len - combined_before_bytes + !!combined_before_bytes);
   adjust_overlays_for_insert (from, len);
   adjust_markers_for_insert (from, from_byte,
                             from + len, from_byte + len_byte,
@@ -1500,7 +1504,8 @@ replace_range (from, to, new, prepare, inherit)
   if (combined_before_bytes)
     record_delete (PT - 1, 1);
 
-  record_insert (from, inschars);
+  record_insert (PT - !!combined_before_bytes,
+                inschars - combined_before_bytes + !!combined_before_bytes);
 
   GAP_SIZE -= outgoing_insbytes;
   GPT += inschars;
@@ -1695,13 +1700,17 @@ del_range_2 (from, from_byte, to, to_byte)
   if (to < GPT)
     gap_left (to, to_byte, 0);
 
+  combined_after_bytes
+    = count_combining_before (GAP_END_ADDR, ZV_BYTE - GPT_BYTE, PT, PT_BYTE);
+
   /* Relocate all markers pointing into the new, larger gap
      to point at the end of the text before the gap.
      Do this before recording the deletion,
      so that undo handles this after reinserting the text.  */
   adjust_markers_for_delete (from, from_byte, to, to_byte);
 
-  record_delete (from, nchars_del);
+  record_delete (from - !!combined_after_bytes,
+                nchars_del + combined_after_bytes + !!combined_after_bytes);
   MODIFF++;
 
   /* Relocate point as if it were a marker.  */
@@ -1725,6 +1734,10 @@ del_range_2 (from, from_byte, to, to_byte)
   GPT_BYTE = from_byte;
   *(GPT_ADDR) = 0;             /* Put an anchor.  */
 
+  if (combined_after_bytes)
+    move_gap_both (GPT + combined_after_bytes,
+                  GPT_BYTE + combined_after_bytes);
+
   if (GPT_BYTE < GPT)
     abort ();
 
@@ -1733,15 +1746,11 @@ del_range_2 (from, from_byte, to, to_byte)
   if (Z - GPT < end_unchanged)
     end_unchanged = Z - GPT;
 
-  combined_after_bytes
-    = count_combining_before (GAP_END_ADDR, ZV_BYTE - GPT_BYTE, PT, PT_BYTE);
-
   if (combined_after_bytes)
-    move_gap_both (GPT + combined_after_bytes,
-                  GPT_BYTE + combined_after_bytes);
+    combine_bytes (PT, PT_BYTE, combined_after_bytes);
 
   if (combined_after_bytes)
-    combine_bytes (PT, PT_BYTE, combined_after_bytes);
+    record_insert (GPT - 1, 1);
 
   evaporate_overlays (from);
   signal_after_change (from, nchars_del, 0);