如何在emacs org-mode中格式化日期？
例如，在下表中，我希望日期显示为“8月29日”或“星期三，8月29日”，而不是“＆lt; 2012-08-29 Wed＆gt;”
#+ATTR_HTML: border="2" rules="all" frame="border" align="center" cellpadding="6"
|------+------------------+---------+-------|
| Week | Date | Speaker | Title |
|------+------------------+---------+-------|
| / | <> | <> | <> |
| 0 | <2012-08-29 Wed> | | |
| 2 | <2012-09-05 Wed> | | |
| 3 | <2012-09-12 Wed> | | |
| 1 | <2012-09-19 Wed> | | |
| 4 | <2012-09-26 Wed> | | |
| 5 | <2012-10-03 Wed> | | |
| 6 | <2012-10-10 Wed> | | |
| 7 | <2012-10-17 Wed> | | |
| 8 | <2012-10-24 Wed> | | |
| 9 | <2012-10-31 Wed> | | |
| 10 | <2013-03-07 Thu> | | |
|------+------------------+---------+-------|
#+TBLFM: @3$1 = 0::$1 = @-1$1 + 1 ::@3$2 = <Aug 29, 2012>::$2 = @-1$2 + 7