test in 2007 format
1.edit C1, type AAA
2.edit D1, add a hyper link, www.zkoss.org
3.insert a column on C1,in view, everything seems fine.
4.save the doc, and reopen it
5.you will see hyper link is on D1 (with AAA label), and E1 doesn't have hyperlink.

test in 2003 format
1.edit C1, type AAA
2.edit D1, add a hyper link, www.zkoss.org
3.insert a column on C1,in view, everything seems fine.
4.save the doc, and reopen it
5.you will see both D1,E1 doesn't have hyperlink