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-# postcss-functions [![Build Status][ci-img]][ci]
-
-[PostCSS] plugin for exposing JavaScript functions.
-
-[PostCSS]: https://github.com/postcss/postcss
-[ci-img]:  https://travis-ci.org/andyjansson/postcss-functions.svg
-[ci]:      https://travis-ci.org/andyjansson/postcss-functions
-
-## Installation
-
-```js
-npm install postcss-functions
-```
-
-## Usage
-
-```js
-var fs = require('fs');
-var postcss = require('postcss');
-var functions = require('postcss-functions');
-
-var options = {
-	//options
-};
-
-var css = fs.readFileSync('input.css', 'utf8');
-
-postcss()
-  .use(functions(options))
-  .process(css)
-  .then(function (result) {
-    var output = result.css;
-  });
-```
-
-**Example** of a function call:
-
-```css
-body {
-	prop: foobar();
-}
-```
-
-## Options
-
-### `functions`
-
-Type: `Object`
-
-An object containing functions. The function name will correspond with the object key.
-
-**Example:**
-
-```js
-var color = require('css-color-converter');
-```
-
-```js
-require('postcss-functions')({
-    functions: {
-        darken: function (value, frac) {
-           var darken = 1 - parseFloat(frac);
-           var rgba = color(value).toRgbaArray();
-           var r = rgba[0] * darken;
-           var g = rgba[1] * darken;
-           var b = rgba[2] * darken;
-           return color([r,g,b]).toHexString();
-        }
-    }
-});
-```
-
-```css
-.foo {
-    /* make 10% darker */
-    color: darken(blue, 0.1);
-}
-```
-
-### `glob`
-
-Type: `string|string[]`
-
-Loads files as functions based on one or more glob patterns. The function name will correspond with the file name.
-
-**Example:**
-
-```js
-require('postcss-functions')({
-	glob: path.join(__dirname, 'functions', '*.js')
-});
-```