[elpa] externals/org updated (a144b23550 -> ba8c468634)

[ELPA Syncer]

elpasync pushed a change to branch externals/org.

      from  a144b23550 doc/org-manual.org: Document 
`org-latex-src-block-backend'
       new  661a98f891 org-insert-todo-heading: Update docstring
       new  ba8c468634 org-insert-todo-heading-respect-content: Fix regression 
in b4e41b


Summary of changes:
 etc/ORG-NEWS             |  4 ++++
 lisp/org.el              | 17 ++++++++++-------
 testing/lisp/test-org.el | 18 +++++++++++++++++-
 3 files changed, 31 insertions(+), 8 deletions(-)