Common method for detecting output profile
@param {IEmmetEditor} editor
@returns {String}
function(editor) {
			var syntax = editor.getSyntax();
			
			// get profile from syntax definition
			var profile = require('resources').findItem(syntax, 'profile');
			if (profile) {
				return profile;
			}
			
			switch(syntax) {
				case 'xml':
				case 'xsl':
					return 'xml';
				case 'css':
					if (this.isInlineCSS(editor)) {
						return 'line';
					}
					break;
				case 'html':
					var profile = require('resources').getVariable('profile');
					if (!profile) { // no forced profile, guess from content
						// html or xhtml?
						profile = this.isXHTML(editor) ? 'xhtml': 'html';
					}

					return profile;
			}

			return 'xhtml';
		}