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+Language contributor checklist
+==============================
+
+1. Put language definition into a .js file
+------------------------------------------
+
+The file defines a function accepting a reference to the library and returning a language object.
+The library parameter is useful to access common modes and regexps. You should not immediately call this function,
+this is done during the build process and details differ for different build targets.
+
+::
+
+  function(hljs) {
+    return {
+      keywords: 'foo bar',
+      contains: [ ..., hljs.NUMBER_MODE, ... ]
+    }
+  }
+
+The name of the file is used as a short language identifier and should be usable as a class name in HTML and CSS.
+
+
+2. Provide meta data
+--------------------
+
+At the top of the file there is a specially formatted comment with meta data processed by a build system.
+Meta data format is simply key-value pairs each occupying its own line:
+
+::
+
+  /*
+  Language: Superlanguage
+  Requires: java.js, sql.js
+  Author: John Smith <email@domain.com>
+  Contributors: Mike Johnson <...@...>, Matt Wilson <...@...>
+  Description: Some cool language definition
+  */
+
+``Language`` — the only required header giving a human-readable language name.
+
+``Requires`` — a list of other language files required for this language to work.
+This make it possible to describe languages that extend definitions of other ones.
+Required files aren't processed in any special way.
+The build system just makes sure that they will be in the final package in
+``LANGUAGES`` object.
+
+The meaning of the other headers is pretty obvious.
+
+
+3. Create a code example
+------------------------
+
+The code example is used both to test language detection and for the demo page
+on https://highlightjs.org/. Put it in ``test/detect/<language>/default.txt``.
+
+Take inspiration from other languages in ``test/detect/`` and read
+:ref:`testing instructions <basic-testing>` for more details.
+
+
+4. Write class reference
+------------------------
+
+Class reference lives in the :doc:`CSS classes reference </css-classes-reference>`..
+Describe shortly names of all meaningful modes used in your language definition.
+
+
+5. Add yourself to AUTHORS.*.txt and CHANGES.md
+-----------------------------------------------
+
+If you're a new contributor add yourself to the authors list. Feel free to use
+either English and/or Russian version.
+Also it will be good to update CHANGES.md.
+
+
+6. Create a pull request
+------------------------
+
+Send your contribution as a pull request on GitHub.