2 files changed, 9 insertions, 1 deletions

diff --git a/src/ChangeLog b/src/ChangeLog
index d53b29bbffb..0e75c26a763 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,3 +1,8 @@
+2009-02-22  Andreas Schwab  <schwab@linux-m68k.org>
+
+        * insdel.c (del_range_2): Don't modify gap contents when called
+        from decode_coding_object.  (Bug#1809)
+
 2009-02-21  Chong Yidong  <cyd@stupidchicken.com>
 
         * data.c (syms_of_data): Define Qfont_spec, Qfont_entity, and
diff --git a/src/insdel.c b/src/insdel.c
index d8e9e99d55a..814d1571d39 100644
--- a/src/insdel.c
+++ b/src/insdel.c
@@ -2006,7 +2006,10 @@ del_range_2 (from, from_byte, to, to_byte, ret_string)
   Z -= nchars_del;
   GPT = from;
   GPT_BYTE = from_byte;
-  if (GAP_SIZE > 0) *(GPT_ADDR) = 0; /* Put an anchor.  */
+  if (GAP_SIZE > 0 && !current_buffer->text->inhibit_shrinking)
+    /* Put an anchor, unless called from decode_coding_object which
+       needs to access the previous gap contents.  */
+    *(GPT_ADDR) = 0;
 
   if (GPT_BYTE < GPT)
     abort ();