* lisp/org-bibtex.el: Updating Copyright dates, author information,
commentary and history notes.
(org-bibtex-types): List of bibtex types with descriptions and
required and optional fields.
(org-bibtex-fields): List of bibtex fields with descriptions.
(*org-bibtex-entries*): Special variable to hold parsed bibtex
entries.
(org-bibtex-autogen-keys): Custom variable controlling whether
bibtex keys are automatically generated
(org-bibtex-prefix): Custom variable allowing use of optional prefix
for bibtex properties in Org-mode headlines.
(org-bibtex-get): Helper function for accessing bibtex elements of a
property list.
(org-bibtex-put): Helper function for inserting bibtex element into
a property list.
(org-bibtex-headline): Return a bibtex entry of the given headline
as a string.
(org-bibtex-ask): Prompt the user to fill in the value of a bibtex
field.
(org-bibtex-autokey): Generate a bibtex key for the current
headline.
(org-bibtex-fleshout): Fill in missing bibtex properties of the
current headline.
(org-bibtex): Export the current Org-mode buffer to a bibtex buffer.
(org-bibtex-check): Check that all bibtex properties are present in
the current headline.
(org-bibtex-check-all): Check all headlines in the current buffer.
(org-bibtex-create): Create a new bibtex headline at the current
level.
(org-bibtex-read): Read the current bibtex entry from a bibtex file.
(org-bibtex-write): Write the most recently read bibtex entry into
an Org-mode file.