* lisp/textmodes/table.el: Use lexical-binding, dolist, define-minor-mode.

* lisp/textmodes/table.el: Use lexical-binding, dolist, define-minor-mode.
(table-initialize-table-fixed-width-mode)
(table-set-table-fixed-width-mode): Remove functions.
(table-command-list): Move initialization into declaration.
(table--tweak-menu-for-xemacs): Move defun outside mapcar.
(table-with-cache-buffer): Use `declare'.
(table-span-cell): Simplify via CSE.
(table-fixed-width-mode): Use define-minor-mode.
(table-call-interactively, table-funcall, table-apply): Remove.
(table-function): New function, to replace them.