[O] entering a date through C-c ! or C-c . in "edit" mode of column view does not work

[Jean Wallemacq]

I get the message: "C-c ! is undefined"

Actually, I need to record a date for each item, and I would like to  
enter the date using the column mode.  Any idea on how to do it?

Jean Wallemacq
jean.wallem...@skynet.be