Document values of window-system and deprecate its use as predicate.

 src/frame.c (Fframep, Fwindow_system): Deprecate use as a predicate.
 Document all values.
 src/dispnew.c (syms_of_display) <initial-window-system, window-system>:
 Deprecate use as a boolean flag.  Document all values.
 src/display.texi (Window Systems): Deprecate use of window-system as
 a predicate.

1 files changed, 7 insertions, 0 deletions

diff --git a/src/ChangeLog b/src/ChangeLog
index d33f9dd4f0b..d8e0727b81b 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,3 +1,10 @@
+2010-10-22  Eli Zaretskii  <eliz@gnu.org>
+
+        * frame.c (Fframep, Fwindow_system): Deprecate use as a predicate.
+
+        * dispnew.c (syms_of_display) <initial-window-system, window-system>:
+        Deprecate use as a boolean flag.
+
 2010-10-18  Ken Brown  <kbrown@cornell.edu>
 
         * s/cygwin.h (SIGNALS_VIA_CHARACTERS): New define (bug#7225).