* gnus-art.el (article-date-ut): Don't delete X-Sent header when
gnus-article-date-lapsed-new-header is t if date timer is active;
skip headers in which the original date value is empty.
- (gnus-article-date-value): New function.
- (gnus-article-save-original-date): Abolish.
- (gnus-display-mime): Save original date after doing all treatments
- as well.
+ (gnus-article-save-original-date): Redefine it as a macro.
+ (gnus-display-mime): Use it.
2005-04-22 Katsumi Yamaoka <yamaoka@jpl.org>