code: public static function prepareSlug($strSlug)
  	{
  		$strSlug = static::stripInsertTags($strSlug);
  		$strSlug = static::restoreBasicEntities($strSlug);
  		$strSlug = static::decodeEntities($strSlug);
  
  		return $strSlug;
  	}
docs: Prepare a slug
  
  @param string $strSlug The slug
  
  @return string