nl_tokens: find the value form with the given name in the attribute forms otherwise undefined
pl_tokens: function find_attr_value ( attrForms , attrName ) { var attrVal ; var attrPos = - 1 ; if ( attrForms && Array . isArray ( attrForms ) ) { attrKey = attrForms . find ( function ( <mask> , i ) { attrPos = i ; return ( i % 2 === 1 ) && form . value === attrName ; } ) if ( attrKey && attrPos + 1 < attrForms . length ) { attrVal = attrForms [ attrPos + 1 ] ; } } return attrVal ; }