OptInt PmWiki . ... Functions . ... To use this functions you have to make sure that all relevant internal variables have been initialized correctly. See Custom Markup and Custom Actions for more information on how these functions are typically called via Markup() or $HandleActions[] . The PSS() function removes the backslashes that are automatically inserted in front of quotation marks by the /e option of PHP's preg_replace function. ... Here is how the markup rule can be created: . ...