nl_tokens: Instantiate a SignatureMethod for the given method name .
pl_tokens: function newMethod ( name , accessor ) { var impl = OAuth . SignatureMethod . REGISTERED [ name ] ; if ( impl != null ) { var method = new impl ( ) ; method . initialize ( name , accessor ) ; return method ; } var err = new <mask> ( "signature_method_rejected" ) ; var acceptable = "" ; for ( var r in OAuth . SignatureMethod . REGISTERED ) { if ( acceptable != "" ) acceptable += '&' ; acceptable += OAuth . percentEncode ( r ) ; } err . oauth_acceptable_signature_methods = acceptable ; throw err ; }