code: function normalizeValue(value) {
  		if (value.charAt(0) == '-' && !/^\-[\.\d]/.test(value)) {
  			value = value.replace(/^\-+/, '');
  		}
  		
  		var ch = value.charAt(0);
  		if (ch == '#') {
  			return normalizeHexColor(value);
  		}
  
  		if (ch == '$') {
  			return utils.escapeText(value);
  		}
  
  		return getKeyword(value);
  	}
docs: Normalizes abbreviated value to final CSS one
  @param {String} value
  @returns {String}