CSS:
.wrap_table-nowrap th, .wrap_table-nowrap td {
white-space: nowrap;
}
.wrap_dowrap {
white-space: pre-line;
}
Wiki:
(WRAP plugin required.)
^ Name ^ Description ^ Comment ^
| Lorem ipsum dolor sit amet, consetetur sadipscing elitr, sed diam. | Lorem ipsum dolor sit amet, consetetur sadipscing elitr, sed diam nonumy eirmod tempor invidunt ut labore et dolore magna aliquyam erat, sed diam voluptua. | Lorem ipsum dolor sit amet, consetetur sadipscing elitr |
<WRAP table-nowrap>
^ Name ^ Description ^ Comment ^
| Lorem ipsum dolor sit amet, consetetur sadipscing elitr, sed diam. | <wrap dowrap>Lorem ipsum dolor sit amet, consetetur sadipscing elitr, sed diam nonumy eirmod tempor invidunt ut labore et dolore magna aliquyam erat, sed diam voluptua.</wrap> | Lorem ipsum dolor sit amet, consetetur sadipscing elitr |
</WRAP>
Result:

- Michael Sy.
BTW: I usually set the column widths using the Table Width plugin.