warning: date_parse() error when previewing events

warning: date_parse() error when previewing events
ref. http://drupal.org/node/246732 on 6.x

used: latest dev for event-5.x-2.x-dev.tar.gz (08-May-2008)

# warning: date_parse() expects parameter 1 to be string, array given in
D:\....\sites\all\modules\event\event.module on line 2680.
# warning: mysql_real_escape_string() expects parameter 1 to be string, array given in
D:\...\includes\database.mysql.inc on line 400.

it happened when previewing, in any event. I saw that in 6.x there is a simmilar issue but has been fixed (?).
5.x-2.x-dev hasn't been updated with the fix (?)