(verilog-error-regexp-emacs-alist): Coded custom
representation of verilog error regular expressions to work with
Emacs-22's new format.
(verilog-error-regexp-xemacs-alist): Coded custom representation
of verilog error regular expressions to work with XEmacs format
(verilog-error-regexp-add-xemacs): Hook routine to install verilog
error recognition into XEmacs.
(verilog-error-regexp-add-emacs): Hook routine to install verilog
error recognition into Emacs-22.