docs: Split README.md into INSTALL.md.

Fixes zsh-users#235.

INSTALL.md

@@ -0,0 +1,69 @@
+How to install
+--------------
+
+### Using packages
+
+* Arch Linux: [community/zsh-syntax-highlighting][arch-package] / [AUR/zsh-syntax-highlighting-git][AUR-package]
+* Gentoo: [mv overlay][gentoo-overlay]
+* Mac OS X / Homebrew: [brew install zsh-syntax-highlighting][brew-package]
+
+[arch-package]: https://www.archlinux.org/packages/zsh-syntax-highlighting
+[AUR-package]: https://aur.archlinux.org/packages/zsh-syntax-highlighting-git
+[gentoo-overlay]: http://gpo.zugaina.org/app-shells/zsh-syntax-highlighting
+[brew-package]: https://github.com/Homebrew/homebrew/blob/master/Library/Formula/zsh-syntax-highlighting.rb
+
+
+### In your ~/.zshrc
+
+* Clone this repository:
+
+        git clone git://github.com/zsh-users/zsh-syntax-highlighting.git
+
+  If `git` is not installed, you could download a snapshot of the latest
+  development tree from:
+
+        https://github.com/zsh-users/zsh-syntax-highlighting/archive/master.tar.gz
+
+* Source the script **at the end** of `~/.zshrc`:
+
+        source /path/to/zsh-syntax-highlighting/zsh-syntax-highlighting.zsh
+
+* Source `~/.zshrc`  to take changes into account:
+
+        source ~/.zshrc
+
+
+### With oh-my-zsh
+
+Oh-my-zsh is a zsh configuration framework.  It lives at
+<http://github.com/robbyrussell/oh-my-zsh>.
+
+To install zsh-syntax-highlighting under oh-my-zsh:
+
+1. Clone this repository in oh-my-zsh's plugins directory:
+
+        git clone git://github.com/zsh-users/zsh-syntax-highlighting.git ~/.oh-my-zsh/custom/plugins/zsh-syntax-highlighting
+
+2. Activate the plugin in `~/.zshrc`:
+
+        plugins=( [plugins...] zsh-syntax-highlighting)
+
+3. Source `~/.zshrc`  to take changes into account:
+
+        source ~/.zshrc
+
+Note that `zsh-syntax-highlighting` must be the last plugin sourced,
+so make it the last element of the `$plugins` array.
+
+
+### System-wide installation
+
+Either of the above methods is suitable for a single-user installation,
+which requires no special privileges.  If, however, you desire to install
+zsh-syntax-highlighting system-wide, you may do so by running `make install`
+and directing your users to add
+  `source /usr/local/share/zsh-syntax-highlighting/zsh-syntax-highlighting.zsh`
+in their `.zshrc`s.
+
+
+

README.md

@@ -19,69 +19,7 @@ them, particularly in catching syntax errors.
 How to install
 --------------
 
-### Using packages
-
-* Arch Linux: [community/zsh-syntax-highlighting][arch-package] / [AUR/zsh-syntax-highlighting-git][AUR-package]
-* Gentoo: [mv overlay][gentoo-overlay]
-* Mac OS X / Homebrew: [brew install zsh-syntax-highlighting][brew-package]
-
-[arch-package]: https://www.archlinux.org/packages/zsh-syntax-highlighting
-[AUR-package]: https://aur.archlinux.org/packages/zsh-syntax-highlighting-git
-[gentoo-overlay]: http://gpo.zugaina.org/app-shells/zsh-syntax-highlighting
-[brew-package]: https://github.com/Homebrew/homebrew/blob/master/Library/Formula/zsh-syntax-highlighting.rb
-
-
-### In your ~/.zshrc
-
-* Clone this repository:
-
-        git clone git://github.com/zsh-users/zsh-syntax-highlighting.git
-
-  If `git` is not installed, you could download a snapshot of the latest
-  development tree from:
-
-        https://github.com/zsh-users/zsh-syntax-highlighting/archive/master.tar.gz
-
-* Source the script **at the end** of `~/.zshrc`:
-
-        source /path/to/zsh-syntax-highlighting/zsh-syntax-highlighting.zsh
-
-* Source `~/.zshrc`  to take changes into account:
-
-        source ~/.zshrc
-
-
-### With oh-my-zsh
-
-Oh-my-zsh is a zsh configuration framework.  It lives at
-<http://github.com/robbyrussell/oh-my-zsh>.
-
-To install zsh-syntax-highlighting under oh-my-zsh:
-
-1. Clone this repository in oh-my-zsh's plugins directory:
-
-        git clone git://github.com/zsh-users/zsh-syntax-highlighting.git ~/.oh-my-zsh/custom/plugins/zsh-syntax-highlighting
-
-2. Activate the plugin in `~/.zshrc`:
-
-        plugins=( [plugins...] zsh-syntax-highlighting)
-
-3. Source `~/.zshrc`  to take changes into account:
-
-        source ~/.zshrc
-
-Note that `zsh-syntax-highlighting` must be the last plugin sourced,
-so make it the last element of the `$plugins` array.
-
-
-### System-wide installation
-
-Either of the above methods is suitable for a single-user installation,
-which requires no special privileges.  If, however, you desire to install
-zsh-syntax-highlighting system-wide, you may do so by running `make install`
-and directing your users to add
-  `source /usr/local/share/zsh-syntax-highlighting/zsh-syntax-highlighting.zsh`
-in their `.zshrc`s.
+See [INSTALL.md](INSTALL.md).
 
 
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