it duplicates the bibtex support in progmodes/hideshow.el.
* progmodes/hideshow.el (hs-special-modes-alist): Allow bibtex
entry that do not start at the beginning of a line.
Add outoload cookie.
(bibtex-find-entry): Alias for bibtex-search-entry.
(bibtex-search-crossref): Rename from bibtex-find-crossref.
(bibtex-find-crossref): Alias for bibtex-search-crossref.
(bibtex-clean-entry): atomic-change-group removed.
(bibtex-format-entry): Use atomic-change-group. Use
unwind-protect to locate buffer location where error occured.
Make error messages more specific.
(bibtex-parse-keys): Only parse if buffer uses bibtex-mode.
bibtex-files-expand. New optional arg select.
(bibtex-flash-head): Allow blink-matching-delay being zero.
(bibtex-clean-entry): Use atomic-change-group.
(bibtex-format-entry): Check presence of required fields only after
formatting of fields. Use member-ignore-case. Do not use
bibtex-parse-entry. Do not use booktitle field to set a missing
title.
(bibtex-autofill-entry): Do not call undo-boundary.
(bibtex-lessp): Handle crossref keys that point to another bibtex
file.
(bibtex-sort-buffer, bibtex-prepare-new-entry, bibtex-validate):
Parse keys if necessary.
(bibtex-field-braces-alist, bibtex-field-strings-alist)
(bibtex-field-braces-opt, bibtex-field-strings-opt)
(bibtex-cite-matcher-alist): New variables.
(bibtex-font-lock-keywords): Use bibtex-cite-matcher-alist.
(bibtex-flash-head): Use blink-matching-delay.
(bibtex-insert-kill, bibtex-mark-entry): Use push-mark.
(bibtex-format-entry, bibtex-reformat): Handle new options of
bibtex-entry-format.
(bibtex-field-re-init, bibtex-font-lock-cite, bibtex-dist): New
functions.
(bibtex-complete-internal): Do not display messages while
minibuffer is used. Do not leave around a completions buffer
that is out of date.
(bibtex-copy-summary-as-kill): New optional arg.
(bibtex-font-lock-url): New optional arg no-button.
(bibtex-find-crossref): Use `bibtex-cite-matcher-alist'.
(bibtex-url): Allow multiple URLs per entry.
(bibtex-sort-entry-class): Add safe-local-variable predicate.
(bibtex-sort-entry-class-alist): Don't set the global value.
(bibtex-init-sort-entry-class-alist): New fun.
(bibtex-sort-buffer, bibtex-prepare-new-entry): Call it to compute
bibtex-init-sort-entry-class-alist from the buffer-local value (if any)
of bibtex-init-sort-entry-class.
(bibtex-entry-field-alist, bibtex-generate-url-list): Mark as
risky.
(bibtex-autokey-name-case-convert)
(bibtex-autokey-titleword-case-convert): Make these the aliases
for the following two variables.
(bibtex-autokey-name-case-convert-function)
(bibtex-autokey-titleword-case-convert-function): Make these the
real names.
(bibtex-font-lock-keywords): Make bibtex-font-lock-url and
bibtex-font-lock-crossref sublists.
(bibtex-mode): Revert 2005-12-30 change (which made
completion-ignore-case buffer-local).
(bibtex-url): Simplify
buffer-local because choose-completion-delete-max-match requires
that we set completion-ignore-case (i.e., binding via let is not
sufficient).
(bibtex-complete): Always set completion-ignore-case and
choose-completion-string-functions. The latter is needed because
choose-completion-string-functions keeps its value if we quit the
*Completions* buffer without requesting a completion.
(bibtex-entry-type-str, bibtex-empty-field-re)
(bibtex-search-backward-string, bibtex-preamble-prefix)
(bibtex-search-entry, bibtex-enclosing-entry-maybe-empty-head):
Removed.
(bibtex-any-valid-entry-type): New variable.
(bibtex-parse-field-name): Simplify.
(bibtex-parse-string, bibtex-search-forward-string): New arg
empty-key.
(bibtex-preamble-prefix): Include left delimiter.
(bibtex-search-forward-field, bibtex-search-backward-field): Allow
unbounded search past entry boundaries (required by bibtex-pop).
(bibtex-text-in-field-bounds): Use push.
(bibtex-text-in-field): Do not use bibtex-narrow-to-entry.
(bibtex-parse-preamble, bibtex-valid-entry)
(bibtex-beginning-first-field): New functions.
(bibtex-skip-to-valid-entry): Use bibtex-valid-entry. Fix regexp.
(bibtex-map-entries): Fix docstring.
(bibtex-flash-head): New arg prompt. Simplify.
(bibtex-enclosing-field): Include code of bibtex-inside-field.
(bibtex-insert-kill): Simplify. Always insert text past the
current field or entry.
(bibtex-format-entry): Use bibtex-parse-field.
(bibtex-pop): Use bibtex-beginning-of-entry and
bibtex-end-of-entry to initiate the search. Insert empty field if
we found ourselves.
(bibtex-print-help-message): New args field and comma. Handle
entry keys.
(bibtex-make-field): Use bibtex-beginning-of-entry.
(bibtex-end-of-entry): Use bibtex-valid-entry. Recognize any
invalid entry.
(bibtex-validate): Use bibtex-valid-entry and bibtex-parse-string.
Handle preambles. Simplify code for thorough test.
(bibtex-next-field, bibtex-find-text, bibtex-find-text-internal):
New arg comma. Handle entry heads.
(bibtex-remove-OPT-or-ALT, bibtex-remove-delimiters)
(bibtex-kill-field, bibtex-copy-field-as-kil, bibtex-empty-field):
New arg comma.
(bibtex-kill-entry): Use bibtex-any-entry-maybe-empty-head.
(bibtex-fill-field): Simplify.
(bibtex-fill-entry): Use bibtex-beginning-first-field and
bibtex-parse-field.
(bibtex-convert-alien): Do not wait before calling
bibtex-validate.
(bibtex-complete): Use bibtex-parse-preamble.
(bibtex-autokey-expand-string, bibtex-name-part)
(bibtex-entry-type-whitespace, bibtex-entry-type-str)
(bibtex-any-entry-maybe-empty-head, bibtex-string-type)
(bibtex-preamble-prefix, bibtex-string-empty-key): New variables.
(bibtex-entry-type, bibtex-entry-head): Match only valid entries.
(bibtex-entry-postfix, bibtex-known-entry-type-re)
(bibtex-valid-entry-re, bibtex-any-valid-entry-re)
(bibtex-valid-entry-whitespace-re, bibtex-empty-field-re)
(bibtex-field-name-for-parsing, bibtex-remove-delimiters-string)
(bibtex-beginning-of-last-entry): Remove.
(bibtex-parse-field-name): Use bibtex-field-name. Issue error
message if comma is missing but buffer is read-only.
(bibtex-parse-field-text): Handle whitespaces at the end of field
text. Return 3-element list with beginning and end of field text
and end of field.
(bibtex-end-of-text-in-field, bibtex-end-of-field): Change accordingly.
(bibtex-parse-field): Remove arg name. Use bibtex-field-name.
(bibtex-search-forward-field, bibtex-search-backward-field):
Search always delimited by limits of entry. Use more efficient
search algorithms.
(bibtex-name-in-field): Use bibtex-start-of-name-in-field and
bibtex-end-of-name-in-field.
(bibtex-text-in-field-bounds): Handle BibTeX strings when
extracting the content of a field.
(bibtex-text-in-field): Use search limits.
(bibtex-parse-string-prefix): Handle empty string keys based on
bibtex-string-empty-key.
(bibtex-parse-string): Fix docstring.
(bibtex-text-in-string): Use bibtex-text-in-field-bounds.
(bibtex-preamble-prefix, bibtex-strings): New functions.
(bibtex-skip-to-valid-entry): Include preceding whitespace in
BibTeX entries (consistent with other BibTeX functions).
(bibtex-map-entries): Use bibtex-skip-to-valid-entry.
(bibtex-search-entry): Fix docstring. Simplify.
(bibtex-flash-head, bibtex-complete-string-cleanup)
(bibtex-count-entries, bibtex-sort-buffer): Simplify.
(bibtex-beginning-of-first-entry): Use bibtex-skip-to-valid-entry.
(bibtex-parse-entry): New optional arg content.
(bibtex-format-entry, bibtex-autofill-entry, bibtex-url): Use it.
Use bibtex-text-in-field-bounds.
(bibtex-print-help-message): Handle BibTeX strings and preambles.
(bibtex-end-of-entry): Use bibtex-preamble-prefix and
bibtex-parse-string-postfix.
(bibtex-find-text-internal): New function.
(bibtex-remove-delimiters): Use it.
(bibtex-find-text): Use it. New optional arg help.
(bibtex-complete): Handle BibTeX string and preamble entries.
(bibtex-Preamble): Fix order of closing delimiters.
* textmodes/bibtex.el (bibtex-valid-entry-whitespace-re): Do not
match newline.
(bibtex-realign): Do not use bibtex-valid-entry-whitespace-re.
(bibtex-summary): remove unnecessary save-excursion.
(bibtex-fill-field-bounds): Use fill-region-as-paragraph.
bibtex-find-entry with arg global being t. Remove arg key.
(bibtex-summary-function, bibtex-complete-crossref-cleanup)
(bibtex-copy-summary-as-kill): Change accordingly.
fields, not on entire field lines.
(bibtex-autofill-entry): Use `bibtex-empty-field-re' on a string,
not on part of a buffer.
(bibtex-empty-field-re): Don't match nonempty field text strings like
"{letters\\macro{}more letters}". Clarify docstring.
(bibtex-sort-entry-class, bibtex-autokey-titleword-ignore)
(bibtex-entry-offset, bibtex-parse-association)
(bibtex-parse-field-name): Fix typos in docstrings.
(bibtex-field-list, bibtex-find-crossref): Fix typos in error
messages.
Use delete-dups when calculating the initial value.
(bibtex-autokey-get-title): Use <=.
(bibtex-goto-line): New function.
(bibtex-reposition-window): Use line numbers instead of point positions.
Use window-body-height.
(bibtex-find-crossref): Use bibtex-reposition-window.
(bibtex-find-entry): Use bibtex-reposition-window. Always return
position of entry if key is found or nil if not found.
(bibtex-comment-start): Use defcustom.
(bibtex-entry-field-alist): Use nil if initial content of the
field is undefined. Fix docstring.
(bibtex-parse-keys-timeout, bibtex-autokey-additional-names)
(bibtex-generate-autokey, bibtex-parse-buffers-stealthily)
(bibtex-mode, bibtex-field-list, bibtex-entry-updat)
(bibtex-autofill-entry, bibtex-entry-index, bibtex-next-field):
Fix docstring.
(bibtex-autokey-title-terminators): Use only one regexp.
(bibtex-string-maybe-empty-head): New variable.
(bibtex-remove-delimiters-string): New function.
(bibtex-text-in-field-bounds, bibtex-text-in-string):
Use bibtex-remove-delimiters-string.
(bibtex-progress-message, bibtex-field-left-delimiter)
(bibtex-field-right-delimiter, bibtex-entry-left-delimiter)
(bibtex-entry-right-delimiter, bibtex-search-entry): Use eq.
(bibtex-insert-kill): Rename from `bibtex-insert-current-kill'.
Simplify.
(bibtex-format-entry): Use save-excursion for inherited booktitle.
Use eq and bibtex-remove-delimiters-string. For end markers use
insertion type so that marker stays after inserted text.
(bibtex-autokey-get-names): Return empty string if name is missing.
(bibtex-autokey-demangle-name): Call bibtex-autokey-abbrev before
calling bibtex-autokey-name-case-convert.
(bibtex-autokey-demangle-title):
Call bibtex-autokey-titleword-case-convert. Remove call to
bibtex-autokey-titleword-case-convert from bibtex-autokey-get-title.
(bibtex-global-key-alist, bibtex-read-string-key): New functions.
(bibtex-read-key): New optional arg global.
(bibtex-files-expand): New optional arg force.
(bibtex-complete-string-cleanup): Expansion of abbrev can be absent.
(bibtex-complete-crossref-cleanup): Rename from
bibtex-complete-key-cleanup. Simplify code.
(bibtex-copy-summary-as-kill): Remove arg key. Operate on current entry.
Use looking-at.
(bibtex-button): Add docstring.
(bibtex-entry): Simplify.
(bibtex-make-field): Replace optional arg called-by-yank with more
specific args move and interactive.
(bibtex-end-of-entry): Use forward-sexp.
(bibtex-find-entry-globally): Remove.
(bibtex-find-crossref): Allow for crossref key located in other buffer.
Bound to C-c C-x.
(bibtex-find-entry): New optional args global and display.
(bibtex-find-text): Fix docstring. Remove arg as-if-interactive.
(bibtex-validate): Use arg force of bibtex-files-expand.
(bibtex-clean-entry): Bugfix, clean string entries properly.
Always keep point at beginning of entry.
(bibtex-complete): Bugfix. Handle string entries properly.
Call cleanup functions only if needed.
(bibtex-String): Use bibtex-read-string-key.
(bibtex-url): Use bibtex-remove-delimiters-string. Do not alter
case of replacement text.