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node_modules/bs-recipes/recipes/grunt.sass.autoprefixer/desc.md

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+
+This example shows how you can chain potentially slow-running tasks, but still achieve CSS
+Injection. The trick, as seen below, is to use the `bsReload` task that now comes 
+bundled with `grunt-browser-sync` since `2.1.0`
+
+Don't forget the `spawn: false` option for the watch task - it's a requirement
+that allows Browsersync to work correctly
+
+```js
+watch: {
+    options: {
+        spawn: false // Important, don't remove this!
+    },
+    files: 'app/**/*.scss',
+    tasks: ['sass', 'autoprefixer', 'bsReload:css']
+},
+```