(tex-start-options): Make it into always-a-string.
Remove silly custom options that are covered by the other var.
(tex-start-commands): Fix docstring.
(tex-open-quote, tex-close-quote): Add options.
(tex-command): Provide default.
(tex-font-lock-keywords-1): Highlight $$...$$.
(tex-font-lock-keywords-2): Fix latin-1 chars.
(tex-mode-map): Remove redundant \t binding.
(tex-mode): Add `subsection' and `newcommand' to known latex cmds.
(latex-mode): Use add-hook for fill-nobreak-predicate.
(tex-common-initialization): Set indent-tabs-mode to nil.
(tex-insert-quote): Undo magic if invoked twice in a row.
(latex-fill-nobreak-predicate): Don't use narrowing.
(tex-latex-block): Don't cons uselessly.
(tex-last-unended-begin): Signal user-friendlier error.
(tex-goto-last-unclosed-latex-block): Don't catch signal.
(tex-start-tex): Switch order of tex-start-options and
tex-start-commands to make it obey docstrings.
95a045bd7f