update doc

operational

 * COMMENT -*- mode: org -*-
 #+Date: 2019-04-05
-Time-stamp: <2020-02-02>
+Time-stamp: <2020-02-16>
 #+STARTUP: content
 * notes                                                               :entry:
 ** 2020-02-02 documents
@@ -55,11 +55,19 @@ shared between zero-pinyin and ibus-pinyin.
 
     When dbus client try to talk to service, dbus session bus will start the
     service app automatically.
-
+** 2019-08-31 how to format C code? do it before git commit.
+see ~/c/gtk-im-module/, it uses myastyle-pre-commit-check in git pre-commit
+~/bin/myastyle-pre-commit-check
 * later                                                               :entry:
 * current                                                             :entry:
 ** 
-** 2019-10-23 bug: type "zhey" doesn't show 这样 candidate.
+** 2019-08-31 honor XDG cache dir.
+~/.cache/ibus
+** 2019-04-17 make flags configurable at runtime.
+- add dbus method to set flags.
+- make the method work. use gobject property maybe.
+- set default flags to my flags. reflect this in UI/config file.
+* done                                                                :entry:
 ** 2019-10-22 handle a an o en etc differently. only match exactly the character.
 no fuzzy matching or incomplete pinyin matching.
 
@@ -94,17 +102,6 @@ e nuo
 
   - 
 
-** 2019-08-31 how to format C code? do it before git commit.
-see ~/c/gtk-im-module/, it uses myastyle-pre-commit-check in git pre-commit
-~/bin/myastyle-pre-commit-check
-
-** 2019-08-31 honor XDG cache dir.
-~/.cache/ibus
-** 2019-04-17 make flags configurable at runtime.
-- add dbus method to set flags.
-- make the method work. use gobject property maybe.
-- set default flags to my flags. reflect this in UI/config file.
-* done                                                                :entry:
 ** 2020-02-02 how to use zero-pinyin-service dbus service using C client?
 see example in ~/c/gtk-im-module/zero-pinyin.c
 
@@ -271,3 +268,5 @@ see example in ~/c/gtk-im-module/zero-pinyin.c
   | %z | abc  | abc     | like %s, but sqlite3_free() is called on param after use |
 
 * wontfix                                                             :entry:
+** 2019-10-23 bug: type "zhey" doesn't show 这样 candidate.	    :invalid:
+- 2020-02-16 can't reproduce this.