Implement new list definition

* org-ascii.el (org-export-ascii-preprocess): allow [@start:x] and
  [@x] syntax for list numbering.

* org-capture.el (org-capture-place-item): make use of new tools.

* org-capture.el (org-capture-insert-template-here): mark use of new
  tools.

* org-docbook.el (org-export-as-docbook): remove list ending detection
  as they are now marked explicitely.

* org-exp.el (org-export-mark-list-ending): new function.

* org-exp.el (org-export-preprocess-string): mark list endings with
  `org-export-mark-list-ending'.

* org-html.el (org-export-as-html): remove list ending detection as
  they are now marked explicitely. Use value option in list items
  instead of start when special numbering is needed.

* org-latex.el (org-export-latex-lists): make use of new tools.
  Allow [start:x] and [@x] syntax for list numbering.

* org-list.el (org-list-two-spaces-after-bullet-regexp): docstring
  correction.

* org-list.el (org-list-beginning-re): variable removed.

* org-list.el (org-list-ending-method): new variable.

* org-list.el (org-empty-line-terminates-plain-lists): corrected
  docstring to match new lists.

* org-list.el (org-list-end-regexp): new variable.

* org-list.el (org-list-automatic-rules): new variable.

* org-list.el (org-provide-checkbox-statistics): variable removed.

* org-list.el (org-list-end-re): new function.

* org-list.el (org-item-re): allow regexp to properly recognize items
  with two spaces after bullet.

* org-list.el (org-item-beginning-re): pay attention to
  `org-plain-list-ordered-item-terminator' when defining an item.
  Replace `org-list-beginning-re'.

* org-list.el (org-list-ending-between): new function.

* org-list.el (org-list-maybe-skip-block): new function.

* org-list.el (org-list-search-unenclosed-generic): new function.

* org-list.el (org-search-backward-unenclosed): new function.

* org-list.el (org-search-forward-unenclosed): new function.

* org-list.el (org-list-in-item-p-with-indent): new function.

* org-list.el (org-list-in-item-p-with-regexp): new function.

* org-list.el (org-list-top-point-with-regexp): new function.

* org-list.el (org-list-bottom-point-with-regexp): new function.

* org-list.el (org-list-top-point-with-indent): new function.

* org-list.el (org-list-bottom-point-with-indent): new function.

* org-list.el (org-list-at-regexp-after-bullet-p): new function.

* org-list.el (org-list-get-item-same-level): new function.

* org-list.el (org-list-separating-blank-lines-number): new function.

* org-list.el (org-list-insert-item-generic): new function.

* org-list.el (org-list-indent-item-generic): new function.

* org-list.el (org-in-item-p): now depends on `org-list-ending-method'.

* org-list.el (org-list-first-item-p): now needs list top item as
  argument.

* org-list.el (org-at-item-timer-p): new function.

* org-list.el (org-at-item-description-p): new function.

* org-list.el (org-checkbox-blocked-p): make use of new tools.
  Ignore [@start:x] and [@x] constructs before any checkbox.

* org-list.el (org-list-top-point): new function.

* org-list.el (org-list-bottom-point): new function.

* org-list.el (org-get-item-beginning): new function.

* org-list.el (org-beginning-of-item): make use of new tools.

* org-list.el (org-get-beginning-of-list): new function.

* org-list.el (org-beginning-of-item-list): make use of new list
  tools.

* org-list.el (org-get-end-of-list): new function.

* org-list.el  (org-end-of-item-list): make use of new tools.

* org-list.el (org-get-end-of-item): new function.

* org-list.el (org-end-of-item): make use of new tools.

* org-list.el (org-end-of-item-text-before-children): function removed.

* org-list.el (org-end-of-item-or-at-child): new function.

* org-list.el (org-end-of-item-before-blank): new function.

* org-list.el (org-get-previous-item): new function.

* org-list.el (org-previous-item): make use of new tools.

* org-list.el (org-get-next-item): new function.

* org-list.el (org-next-item): make use of new tools.

* org-list.el (org-list-exchange-items): new function.

* org-list.el (org-move-item-down): preserve blank lines when moving
  items.

* org-list.el (org-move-item-up): preserve blank lines when moving
  items.

* org-list.el (org-cycle-list-bullet): Apply rules defined in
  `org-list-automatic-rules.

* org-list.el (org-insert-item): check `org-list-automatic-rules'
  before inserting a checkbox in an description list. Apply some
  heuristics to guess correct number of blank lines to insert between
  items.

* org-list.el (org-list-struct-assoc-at-point): new function.

* org-list.el (org-list-struct): new function.

* org-list.el (org-list-struct-origins): new function.

* org-list.el (org-list-struct-get-parent): new function.

* org-list.el (org-list-struct-get-child): new function.

* org-list.el (org-list-struct-fix-bul): new function.

* org-list.el (org-list-struct-fix-ind): new function.

* org-list.el (org-list-struct-fix-struct): new function.

* org-list.el (org-list-struct-outdent): new function.

* org-list.el (org-list-struct-indent): new function.

* org-list.el (org-list-struct-apply-struct): new function.

* org-list.el (org-shift-item-indentation): now needs bottom position
  of list as second argument.

* org-list.el (org-item-indent-positions): function removed.

* org-list.el (org-outdent-item): make use of new tools. Document
  region handling.

* org-list.el (org-indent-item): make use of new tools. Document
  region handling.

* org-list.el (org-outdent-item-tree): make use of new tools. Document
  region handling.

* org-list.el (org-indent-item-tree): make use of new tools. Document
  region handling.

* org-list.el (org-suppress-item-indentation): variable removed.

* org-list.el (org-cycle-item-indentation): only cycle to meaningful
  positions in the list.

* org-list.el (org-list-bullet-string): new function.

* org-list.el (org-get-bullet): remove dependence to
  `org-list-item-beginning'.

* org-list.el  (org-list-inc-bullet-maybe): new function.

* org-list.el (org-maybe-renumber-ordered-list): function removed.

* org-list.el (org-maybe-renumber-ordered-list): function removed.

* org-list.el (org-renumber-ordered-list): function removed.

* org-list.el (org-fix-bullet-type): function removed.

* org-list.el (org-list-repair): replace both
  `org-renumber-ordered-list' and `org-fix-bullet-type'.

* org-list.el (org-toggle-checkbox): make use of new tools.
  Handle [@start:x] and [@x] constructs. Check
  `org-list-automatic-rules' when inserting a checkbox in a
  description list.

* org-list.el (org-update-checkbox-count): make use of new tools.

* org-list.el (org-apply-on-list): new function.

* org-list.el (org-sort-list): new function.

* org-list.el (org-list-item-beginning): function removed.

* org-list.el (org-list-goto-true-beginning): function removed.

* org-list.el (org-list-end): function removed.

* org-list.el (org-list-parse-list): make use of new tools. Handle
  [@start:x] and [@x] constructs.

* org-list.el (org-list-send-list): make use of new tools.

* org-list.el (org-list-to-generic): correctly transform description
  items.

* org-timer.el (org-timer): added one optional argument to return the
  string instead of inserting it in the buffer.

* org-timer.el (org-timer-item): insert timer item at correct column.
  Return an error when inserting such item in a list of another type.

* org.el (org-set-font-lock-defaults): correctly fontify [@start:x]
  and [@x] structures.

* org.el (org-cycle-internal-local): correctly cycle visibility of
  items

* org.el (org-sort): now sort timer items.

* org.el (org-sort-entries-or-items): function removed.

* org.el (org-sort-entries-sort): New function. Replace
  `org-sort-entries-or-items'. List sorting code has been moved to
  `org-sort-list'.

* org.el (org-add-log-setup): removed extra &optional in arguments.

* org.el (org-store-log-note): make use of new tools. Indent correctly
  before inserting an item.

* org.el (org-ctrl-c-ctrl-c): make use of new tools. Unconditionally
  repair list when function is called.

* org.el (org-toggle-item): check
  `org-list-two-spaces-after-bullet-regexp' when toggling items.

* org.el (org-in-regexps-block-p): allow string and form returning
  string as END-RE argument.

* org.el (org-indent-line-function): documented code. Correctly indent
  item body and text after a list. Indentation of source code is left
  to `org-edit-src-exit'. Indentation of others blocks should be the
  same as the #+begin line.

lisp/org-list.el

@@ -1932,7 +1932,7 @@ beginning of the item."
 (defun org-sort-list (&optional with-case sorting-type getkey-func compare-func)
   "Sort plain list items.
 The cursor may be at any item of the list that should be sorted.
-Sublists are not sorted. Checkboxes, if any, are ignored.
+Sublists are not sorted.  Checkboxes, if any, are ignored.
 
 Sorting can be alphabetically, numerically, by date/time as given by
 a time stamp, by a property or by priority.