Support Chinese diary entries in calendar and diary

* doc/emacs/cal-xtra.texi (Non-Gregorian Diary): Document new features for
Chinese calendar and diary.

* etc/NEWS: Mention support for Chinese dates in calendar and diary.

* lisp/calendar/cal-china.el (calendar-chinese-month-name-array): New var.
(calendar-chinese-from-absolute-for-diary)
(calendar-chinese-to-absolute-for-diary)
(calendar-chinese-mark-date-pattern, diary-chinese-mark-entries)
(diary-chinese-list-entries): New functions to list and mark
Chinese diary entries in the calendar window.
(diary-chinese-anniversary)
(diary-chinese-insert-anniversary-entry)
(diary-chinese-insert-entry, diary-chinese-insert-monthly-entry)
(diary-chinese-insert-yearly-entry): New commands to insert
Chinese diary entries.

* lisp/calendar/cal-menu.el (cal-menu-diary-menu): Add entries for
inserting Chinese diary entries.

* lisp/calendar/calendar.el (diary-chinese-entry-symbol): New
customizable variable.
(calendar-mode-map): Add bindings for inserting Chinese diary
entries.

* lisp/calendar/diary-lib.el (diary-font-lock-keywords): Support
font-locking Chinese dates.

Fixes: debbugs:17393

2 files changed, 16 insertions, 0 deletions

diff --git a/etc/ChangeLog b/etc/ChangeLog
index 77294aae776..3eb1c564fad 100644
--- a/etc/ChangeLog
+++ b/etc/ChangeLog
@@ -1,3 +1,7 @@
+2014-05-04  Leo Liu  <sdl.web@gmail.com>
+
+        * NEWS: Mention support for Chinese dates in calendar and diary.
+
 2014-04-20  Daniel Colascione  <dancol@dancol.org>
 
         * NEWS: Mention new struct functions and changes to `cl-the'.
diff --git a/etc/NEWS b/etc/NEWS
index 5a4410c685c..eed1c43af44 100644
--- a/etc/NEWS
+++ b/etc/NEWS
@@ -74,6 +74,18 @@ performance improvements when pasting large amounts of text.
 ** The Rmail commands d, C-d and u now handle repeat counts
 to delete or undelete multiple messages.
 
+** Calendar and diary
+
++++
+*** New commands to insert diary entries with Chinese dates:
+`diary-chinese-insert-anniversary-entry' `diary-chinese-insert-entry'
+`diary-chinese-insert-monthly-entry'
+`diary-chinese-insert-yearly-entry'
+
++++
+*** Calendar can list and mark diary entires with Chinese dates:
+`diary-chinese-list-entries' and `diary-chinese-mark-entries'.
+
 ** The URL package accepts now the protocols "ssh", "scp" and "rsync".
 When `url-handler-mode' is enabled, file operations for these
 protocols as well as for "telnet" and "ftp" are passed to Tramp.