message: Update the document structure.
diff: @@ -11,16 +11,6 @@ cd ~/work
  git clone https://github.com/google/mozc.git -b master --single-branch --recursive
  ```
  -### Apply a patch to GYP
  -
  -The upstream GYP may or may not work on macOS for Mozc.
  -You probably need to apply the following patch to GYP.
  -
  -```
  -cd src\third_party\gyp
  -git apply ..\..\gyp\gyp.patch
  -```
  -
  ## System Requirements
  Only 64-bit macOS 10.9 and later versions are supported.
  @@ -30,7 +20,8 @@ Only 64-bit macOS 10.9 and later versions are supported.
  Building on Mac requires the following software.
  * Xcode
  - * [Ninja](https://github.com/ninja-build/ninja)
  + * [Ninja](https://github.com/ninja-build/ninja) for GYP build
  + * [Bazel](https://docs.bazel.build/versions/master/install-os-x.html) for Bazel build
  * [Qt 5](https://download.qt.io/official_releases/qt/) for GUI
  * [Packages](http://s.sudre.free.fr/Software/Packages/about.html) for installer
  @@ -46,12 +37,6 @@ Make sure the path to python3.
  /usr/bin/python3
  ```
  -# Install python3 dependencies
  -
  -```
  -python3 -m pip install six
  -```
  -
  ### Build Qt
  Qt is required for GUI tools. The following is an example of build configuration.
  @@ -68,6 +53,22 @@ make
  ## Build with GYP (stable)
  +### Install python3 dependencies
  +
  +```
  +python3 -m pip install six
  +```
  +
  +### Apply a patch to GYP
  +
  +The upstream GYP may or may not work on macOS for Mozc.
  +You probably need to apply the following patch to GYP.
  +
  +```
  +cd src\third_party\gyp
  +git apply ..\..\gyp\gyp.patch
  +```
  +
  ### Build main converter and composition UI.
  First, you'll need to generate Xcode project using a tool called [GYP](https://chromium.googlesource.com/external/gyp).
  @@ -140,16 +141,6 @@ sudo cp mac/installer/LaunchAgents/org.mozc.inputmethod.Japanese.Renderer.plist
  Bazel build is experimental. Built binaries may have some problems.
  This is only for development and testing at this moment.
  -### Software Requirements
  -
  -Building on Mac with Bazel requires the following software.
  -
  - * Xcode
  - * [Bazel](https://docs.bazel.build/versions/master/install-os-x.html)
  - * [Qt 5](https://download.qt.io/official_releases/qt/)
  - * [Packages](http://s.sudre.free.fr/Software/Packages/about.html)
  -
  -
  ### Edit src/config.bzl
  Modify varibles in `src/config.bzl` to fit your environment.
  