Call sh-mode-syntax-table directly.
(sh-mode-syntax-table-input): New variable.
(sh-require-final-newline): Don't use eval.
(sh-builtins, sh-leading-keywords, sh-other-keywords)
(sh-variables, sh-font-lock-keywords): Don't use eval.
(sh-set-shell): When setting require-final-newline,
treat value = `require-final-newline' as don't change it.
Set sh-mode-syntax-table locally based on
sh-mode-syntax-table-input and sh-mode-default-syntax-table.
(sh-leading-keywords): Add the bash `time' reserved word.
(sh-variables): Add some bash variables.
(sh-add-completer): Fix nil branch of case statement.
(sh-font-lock-paren): Use it to allow \C in case patterns.
(sh-get-indent-info): Check the \n before the line for string-status.
(sh-feature): Remove unused var `function'.
(sh-get-indent-info): Remove unused variables.
(sh-prev-thing): Remove unused vars `going', `n', and `found'.
(sh-set-indent): Remove unused var `new-val' and `val0'.
(sh-learn-buffer-indent): Remove unused vars `last-pos' and `lines'.
(sh-guess-basic-offset): Remove unused var `return' and `j'.
(sh-font-lock-syntactic-keywords): Use it and fix bogus comment regexp.
(sh-mode): Remove `make-local-variable' for unused var
`font-lock-unfontify-region-function'.
Make it into a simple syntax-table, shared among all submodes.
(sh-heredoc-face): Re-introduce.
(sh-font-lock-syntactic-face-function): New function.
(sh-mode): Use it. Also use define-derived-mode.
Remove old bogus setting of indent-region-function.
(sh-set-shell): Don't set the syntax-table any more.
(sh-mode-syntax-table) <defun>: Remove.
sh-electric-rparen, sh-electric-less and sh-electric-hash.
(sh-st-punc, sh-here-doc-syntax): Use string-to-syntax.
(sh-font-lock-heredoc, sh-font-lock-paren): New funs.
(sh-font-lock-syntactic-keywords): Use them.
(sh-heredoc-face, sh-st-face, sh-special-syntax): Remove.
(sh-mkword-regexp, sh-electric-rparen-needed-here): Remove.
(sh-mode): Don't override font-lock-unfontify-region-function.
Use a copy of sh-font-lock-syntactic-keywords.
(sh-set-shell): Don't set sh-electric-rparen-needed-here.
Don't call sh-scan-buffer since font-lock does it on the fly.
(sh-get-indent-info): Use `face' rather than `syntax-table'
text-property to detect here-documents.
Replace sh-special-syntax with sh-st-punc.
(sh-prev-line): Use `face' rather than `syntax-table'
text-property to skip over here-documents.
(sh-font-lock-unfontify-region-function, sh-check-paren-in-case)
(sh-set-char-syntax, sh-electric-rparen, sh-electric-hash)
(sh-electric-less, sh-set-here-doc-region)
(sh-remove-our-text-properties, sh-search-word, sh-scan-case)
(sh-scan-buffer, sh-rescan-buffer): Remove.
(sh-mode-syntax-table): Add punctuation syntax for < and >.
(sh-mode): Don't make all vars local here.
(sh-kw): Reformat.
(sh-set-shell): Use dolist. Don't set indent-region-function.
(sh-mode-syntax-table): Use pop.
(sh-remember-variable): Use push.
(sh-help-string-for-variable): Use memq.
(sh-safe-backward-sexp): Remove.
(sh-safe-forward-sexp): Add ARG.
(sh-get-indent-info, sh-prev-stmt): Use it.
(sh-prev-line): Simplify by using forward-comment.
(sh-this-is-a-continuation): Simplify.
(sh-learn-buffer-indent): Use dolist.
(sh-do-nothing): Remove.
(sh-set-char-syntax, sh-set-here-doc-region):
Use inhibit-modification-hooks.
(sh-name-style): Use mapcar and push.
(sh-load-style): Use dolist.
(sh-save-styles-to-buffer): Use with-current-buffer and pp.
(sh-case, sh-while-getopts): Use propertize directly rather
than sh-electric-rparen.
