bugfix: isspace((unsigned char)c) everywhere. failed on russian letters
$t[^table::create{c 515 516 517 518 519 520 521 522 523 501 502 506 507 508 509à, 509 509 510 511 512 513/513à }] #^throw[paf; ^t.menu{ $t.c -- ^t.c.int(0)<br> } #]