code: function(assemble, next) {
        grunt.verbose.writeln('Assembling partials'.cyan);
  
        // load partials if specified
        var partials = assemble.partials;
        if (partials && partials.length > 0) {
          grunt.verbose.write(('\n' + 'Processing partials...\n').grey);
  
          partials.forEach(function(filepath) {
            var filename = path.basename(filepath, path.extname(filepath));
            grunt.verbose.ok(('Processing ' + filename.cyan + ' partial'));
  
            var partial = grunt.file.read(filepath);
  
            // If the partial is empty, pass a placeholder string to get around
            // handlebars limitations
            if (partial === '') {
              partial = '{{!}}';
            }
  
            // get the data
            var parsedPartial = matter(partial, assemble.options.matter);
            assemble.options.data[filename] = _.extend({}, parsedPartial.data || {}, assemble.options.data[filename] || {});
  
            // register the partial
            assemble.options.registerPartial(assemble.engine, filename, parsedPartial.content);
          });
        }
  
        next(assemble);
      }
docs: Partials
  @param  {[type]}   assemble [description]
  @param  {Function} next     [description]
  @return {[type]}            [description]