(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
8a51a3181a