Hi,

I found a possibly bug (I attached the doc). With bigskip twocolumns 
work but with \column it does not. That is, with the diff:

98c98
< \bigskip
---
 > %\bigskip
100c100
< %\column
---
 > \column


it does not work: the last exercise is shown in the first column.

Can anyone explain me what happens?

Thanks in advance,
Xan.

PS: Please CCme.