Expected: column 1 is 150px, columns 2 and 3 split the remaining space equally. The very long word in row 2 must NOT widen its column (it overflows or clips instead) — under fixed layout content never affects column width. The 900px width on the row-2 cell must be ignored (only row 1 counts).
| 150px | auto | auto |
| short | Supercalifragilisticexpialidocious-antidisestablishmentarianism | 900px here is ignored |