(p3) (p4))
(search-backward "<" (point-min) t)
(setq p1 (point))
- (re-search-forward (format "</%s>" tag) (point-max) t)
+ (unless (search-forward (format "</%s>" tag) (point-max) t)
+ (goto-char p2)
+ (insert (format "</%s>" tag)))
(setq p4 (point))
(search-backward "</" (point-min) t)
(setq p3 (point))