tasks/webfont.js
function completeTask() {
			if (o && _.isFunction(o.callback)) {
				o.callback(o.fontName, o.types, o.glyphs, o.hash);
			}
			allDone();
		}
function completeTask() {
			if (o && _.isFunction(o.callback)) {
				o.callback(o.fontName, o.types, o.glyphs, o.hash);
			}
			allDone();
		}
function completeTask ( ) { if ( o && _ . isFunction ( o . callback ) ) { o . callback ( o . fontName , o . types , o . glyphs , o . hash ) ; } allDone ( ) ; }
Call callback function if it was specified in the options.
Call callback function if it was specified in the options .