message: Fix the sample configuration format.
diff: @@ -62,9 +62,19 @@ IBus specific configurations are customizable in
  The file path may be `~/.mozc/ibus_config.textproto` if `~/.mozc` directry
  already exists.
  -Here is the default configuration. `engines { name : "mozc-jp" longname : "Mozc"
  -layout : "default" layout_variant : "" layout_option : "" rank : 80 }
  -active_on_launch: False`
  +Here is the default configuration.
  +
  +```
  +engines {
  + name : "mozc-jp"
  + longname : "Mozc"
  + layout : "default"
  + layout_variant : ""
  + layout_option : ""
  + rank : 80
  +}
  +active_on_launch: False
  +```
  The variables of `engines` are mapped to the same named variables of IBus.
  @@ -75,18 +85,38 @@ restart` might be necessary to apply changes.
  `layout` represents the keyboard layout (e.g. JIS keyboard, US keyboard, etc.).
  -Sample configuration `engines { name : "mozc-jp" longname : "Mozc" layout :
  -"ja" # or "us" layout_variant : "" layout_option : "" rank : 80 }
  -active_on_launch: False`
  +Sample configuration:
  +
  +```
  +engines {
  + name : "mozc-jp"
  + longname : "Mozc"
  + layout : "ja" # or "us"
  + layout_variant : ""
  + layout_option : ""
  + rank : 80
  +}
  +active_on_launch: False
  +```
  ### Activate Mozc on launch
  `active_on_launch` represents the default input. If it's True, Hiragana input is
  the default mode.
  -Sample configuration `engines { name : "mozc-jp" longname : "Mozc" layout :
  -"default" layout_variant : "" layout_option : "" rank : 80 } active_on_launch:
  -True # default is False.`
  +Sample configuration:
  +
  +```
  +engines {
  + name : "mozc-jp"
  + longname : "Mozc"
  + layout :"default"
  + layout_variant : ""
  + layout_option : ""
  + rank : 80
  +}
  +active_on_launch: True # default is False.
  +```
  ### Multiple engines with different keyboard layouts
  