function fmtprodmsg() {
	var a = arguments;
	var c = a[ 0 ];
	var u = 'https://stdlib.io/e/'+c+'?';
	var i;
	for ( i = 1; i < a.length; i++ ) {
		u += '&arg[]=' + encodeURIComponent( a[ i ] );
	}
	return u;
}
Formats an error message for production.

@param {string} code - error code
@param {*} ...args - error message arguments
@returns {string} formatted error message

@example
var msg = fmtprodmsg( '3', 'wrong_type' );
// returns 'https://stdlib.io/e/3?&arg[]=wrong_type'