(verilog-insert-year): Rename in order not to pollute the global
namespace from kill-existing-comment, insert-date and
insert-year, respectively.
(verilog-set-auto-endcomments, verilog-header): Update callers.
(verilog-template-map, verilog-mode-mouse-map): Fix typos.
(verilog-colorize-include-files): Use only overlay functions so
that it can work on both emacs and XEmacs.
(set-extent-keymap): Remove unused defun.
(verilog-mode-release-date): Don't use expanding keywords.
(provide): Move to the end of file.
(fboundp): Don't check if eval-when-compile is bound, it is used
later in the file without checking.
(when, unless): Copy definitions from subr.el.
(char-before, defcustom, defface, customize-group)
(verilog-batch-error-wrapper): Don't use old style backquotes.
(verilog-regexp-opt): Avoid using the cl function case.
(verilog-regexp-words): Remove duplicated definition.
(verilog-mode-abbrev-table): Remove, duplicate.
(verilog-mode-map, verilog-template-map, verilog-mode-mouse-map):
Declare and initialize in one step.
(verilog-declaration-prefix-re, verilog-declaration-re)
(verilog-end-of-statement, verilog-indent-declaration)
(verilog-get-lineup-indent): Remove trailing whitespace.
(verilog-mode): Fix autoload cookie. Set
beginning-of-defun-function and end-of-defun-function. Use when
instead of if.
(verilog-emacs-features, verilog-auto-ascii-enum)
(verilog-insert-indices): Escape braces in doc strings.
