(org-agenda-mode-map): Add bindings for clocking
functions.
(org-agenda-clock-in, org-check-running-clock)
(org-clock-out-if-current, org-remove-clock-overlays)
(org-put-clock-overlay): New functions.
(org-clock-marker, org-clock-file-total-minutes)
(org-clock-overlays): New variables
(org-clock-display, org-clock-sum, org-clock-cancel)
(org-clock-out, org-clock-in): New commands.
(org-export): New function.
(org-emph-re): New constant.
(org-set-emph-re, org-do-emphasis-faces): New functions.
(org-emphasis-regexp-components, org-emphasis-alist): New options.
(org-set-font-lock-defaults): Call `org-do-emphasis-faces'.
(org-export-html-convert-emphasize): Use the configurable
emphasis.
(org-cleaned-string-for-export): Make multiline emphasis visible
to the exporter. New optional argument PARAMETERS.
(org-export-as-html): Specify :emph-multiline parameter to
`org-cleaned-string-for-export'.