This is the grunt file referred to in [Issue #265 in gruntjs/grunt-contrib-watch](https://github.com/gruntjs/grunt-contrib-watch/issues/265).

gruntfile

module.exports = function(grunt) {

	'use strict';
	require("matchdep").filterDev("grunt-*").forEach(grunt.loadNpmTasks);

	grunt.initConfig({

		pkg: grunt.file.readJSON('package.json'),

		watch: {
			styles: {
				files: ['*.styl'],
				tasks: ['stylus']
			},
			jade: {
				files: ['*.jade'],
				tasks: ['jade']
			}//,
			// html: {
			// 	files: ['build/index.html'],
			// 	tasks: ['htmlhint']
			// }
		},
		stylus: {
			compile: {
				options: {
					compress: false
				},
				files: {
					'build/styles/production.css': 'styles/development.styl'
				}
			}
		},
		jade: {
			compile: {
				options: {
					pretty: true,
					// var manifest = grunt.readJSON('songs/manifest.json'),
					// data: 'songs/manifest.songs'
					// data: 'songs.js'
					data: function(dest, src) {
						// Return an object of data to pass to templates
						// return require('songs.json');
						// return require('songs.json');
						return grunt.file.readJSON('songs.json');
					}
				},
				files: {
					'build/index.html': ['views/layout.jade', 'views/content.jade']
				}
			}
		},
		htmlhint: {
			
		}
		//jade (use data to pass songs.{js|json}), stylus (with nib), cssmin, linters

	});
	
	grunt.registerTask('default', ['stylus', 'jade']);
};