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-rw-r--r--src/ChangeLog3
-rw-r--r--src/doc.c6
2 files changed, 9 insertions, 0 deletions
diff --git a/src/ChangeLog b/src/ChangeLog
index 696475c17e5..60a965e0d2f 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,5 +1,8 @@
2013-11-16 Eli Zaretskii <eliz@gnu.org>
+ * doc.c (Fsubstitute_command_keys): Inhibit modification hooks
+ while we are using Vprin1_to_string_buffer.
+
* keymap.c (describe_map): Don't crash if PT is 1 both before and
after inserting the description string. (Bug#15907)
diff --git a/src/doc.c b/src/doc.c
index d3f8fde08f6..b6f1569c2d8 100644
--- a/src/doc.c
+++ b/src/doc.c
@@ -850,6 +850,7 @@ Otherwise, return a new string, without any text properties. */)
/* This is for computing the SHADOWS arg for describe_map_tree. */
Lisp_Object active_maps = Fcurrent_active_maps (Qnil, Qnil);
Lisp_Object earlier_maps;
+ ptrdiff_t count = SPECPDL_INDEX ();
changed = 1;
strp += 2; /* skip \{ or \< */
@@ -886,6 +887,10 @@ Otherwise, return a new string, without any text properties. */)
/* Now switch to a temp buffer. */
oldbuf = current_buffer;
set_buffer_internal (XBUFFER (Vprin1_to_string_buffer));
+ /* This is for an unusual case where some after-change
+ function uses 'format' or 'prin1' or something else that
+ will thrash Vprin1_to_string_buffer we are using. */
+ specbind (Qinhibit_modification_hooks, Qt);
if (NILP (tem))
{
@@ -910,6 +915,7 @@ Otherwise, return a new string, without any text properties. */)
tem = Fbuffer_string ();
Ferase_buffer ();
set_buffer_internal (oldbuf);
+ unbind_to (count, Qnil);
subst_string:
start = SDATA (tem);