* lisp/org-tempo.el (org-tempo-keywords-alist): Improve docstring.
(org-tempo--update-maybe):
(org-tempo--keys): New function.
(org-tempo-complete-tag):
(org-tempo-setup):
(org-tempo-add-templates): Use new functions.
(org-tempo-add-block): Smarter position of point.
* testing/lisp/test-org-tempo.el (test-org-tempo/cursor-placement):
(test-org-tempo/space-first-line): New tests.
* testing/lisp/test-org-tempo.el (test-org-tempo/completion): Adapt
test to changes.
Org Tempo more carefully checks for new definitions. When inserting
blocks point will differ depending on whether it is source block.