there aren't a whole lot of tables in the e-texts
—we're talking literature, not spreadsheets—
but your system should handle tables anyway;
not really big and hairy ones, just simple ones.
. | column 1 | column 2 |
plain-text | yes | yes |
x.m.l. | no | yes |
html | yes | no |
.rtf | no | yes |
no | no |