Add --parent-id argument to emacsclient.

* lib-src/emacsclient.c (longopts, decode_options, print_help_and_exit):
New arg `-parent-id'.
(main): Send parent-id to Emacs.

* lisp/server.el (server-process-filter): Receive parent-id argument
from emacsclient.
(server-create-window-system-frame): New arg.  Pass parent-id as
frame parameter.

1 files changed, 4 insertions, 0 deletions

diff --git a/etc/NEWS b/etc/NEWS
index eece35bb6f0..62fe1ce1a86 100644
--- a/etc/NEWS
+++ b/etc/NEWS
@@ -43,6 +43,10 @@ You can disable this by using --without-selinux.
 
 * Changes in Emacs 24.1
 
+** New emacsclient argument --parent-id ID can be used to open a
+client frame in parent X window ID, via XEmbed.  This works like the
+--parent-id argument to Emacs.
+
 ** Completion can cycle, depending on completion-cycle-threshold.
 
 ** auto-mode-case-fold is now enabled by default.