Implement faster `show-children' function
* lisp/org.el (org-show-children): New function.
(org-cycle-internal-local):
(org-set-visibility-according-to-property):
(org-content):
(org-move-subtree-down):
(orgstruct-setup):
(org-show-set-visibility):
* contrib/lisp/org-toc.el (org-toc-cycle-subtree):
(org-toc-restore-config):
* lisp/org-agenda.el (org-agenda-show-1):
* lisp/org-feed.el (org-feed-update): Use new function.
* etc/ORG-NEWS: Document new function.
Suggested-by: Samuel Wales <samologist@gmail.com>
<http://permalink.gmane.org/gmane.emacs.orgmode/99616>