Require CL when compiling.

Require CL when compiling.
(tex-mode-syntax-table): Init immediately.
(tex-mode-map): Bind M-RET to latex-insert-item.
(latex-mode): Set indent-line-function to latex-indent.
(tex-common-initialization): Don't setup the syntax-table any more.
(latex-insert-item): New skeleton.
(tex-next-unmatched-end): Fix copy/paste braino.
(latex-syntax-after, latex-skip-close-parens, latex-down-list)
(latex-indent, latex-find-indent): New functions.
(tex-indent-allhanging, tex-indent-arg, tex-latex-indent-syntax-table)
(tex-indent-item, tex-indent-item-re, tex-indent-basic): New vars.
(tex-compilation-parse-errors): Use with-syntax-table.