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-rw-r--r--src/insdel.c23
1 files changed, 23 insertions, 0 deletions
diff --git a/src/insdel.c b/src/insdel.c
index 2a6438b9bcb..cd46d0f4dcf 100644
--- a/src/insdel.c
+++ b/src/insdel.c
@@ -246,6 +246,26 @@ adjust_markers (from, to, amount)
}
}
+/* Adjust markers whose insertion-type is t
+ for an insertion of AMOUNT characters at POS. */
+
+static void
+adjust_markers_for_insert (pos, amount)
+ register int pos, amount;
+{
+ Lisp_Object marker;
+
+ marker = BUF_MARKERS (current_buffer);
+
+ while (!NILP (marker))
+ {
+ register struct Lisp_Marker *m = XMARKER (marker);
+ if (m->insertion_type && m->bufpos == pos)
+ m->bufpos += amount;
+ marker = m->chain;
+ }
+}
+
/* Add the specified amount to point. This is used only when the value
of point changes due to an insert or delete; it does not represent
a conceptual change in point as a marker. In particular, point is
@@ -377,6 +397,7 @@ insert_1 (string, length, inherit, prepare)
ZV += length;
Z += length;
adjust_overlays_for_insert (PT, length);
+ adjust_markers_for_insert (PT, length);
adjust_point (length);
#ifdef USE_TEXT_PROPERTIES
@@ -444,6 +465,7 @@ insert_from_string_1 (string, pos, length, inherit)
ZV += length;
Z += length;
adjust_overlays_for_insert (PT, length);
+ adjust_markers_for_insert (PT, length);
/* Only defined if Emacs is compiled with USE_TEXT_PROPERTIES */
graft_intervals_into_buffer (XSTRING (string)->intervals, PT, length,
@@ -519,6 +541,7 @@ insert_from_buffer_1 (buf, pos, length, inherit)
ZV += length;
Z += length;
adjust_overlays_for_insert (PT, length);
+ adjust_markers_for_insert (PT, length);
adjust_point (length);
/* Only defined if Emacs is compiled with USE_TEXT_PROPERTIES */