* org.el (org-show-following-heading): New option.
(org-show-hierarchy-above): Use `org-show-following-heading'.
* org.el (orgtbl-optimized): New option
(orgtbl-mode): New command, a minor mode.
(orgtbl-mode-map): New variable.
(turn-on-orgtbl, orgtbl-mode, orgtbl-make-binding)
(orgtbl-error, orgtbl-self-insert-command)
(orgtbl-delete-backward-char, orgtbl-delete-char): New functions.
* org.el (org-mode): `org-table-may-need-update' is now a local
variable in each org-mode buffer.
* org.el (org-set-regexps-and-options): Renamed from
`org-set-regexps'. Added checking for STARTUP keyword.
(org-get-current-options): Added STARTUP options.
(org-table-insert-row): Mode mode intelligent about when
realignment is needed.
(org-self-insert-command, org-delete-backward-char,
org-delete-char): New commands.
(org-enable-table-editor): new default value `optimized'.
(org-table-blank-field): Support blanking regions if active.