Merge verilog-mode.el from upstream.

Merge verilog-mode.el from upstream.
* progmodes/verilog-mode.el (font-lock-keywords):
Fix mis-highligting auto.  Reported by Craig Barner.
(verilog-auto, verilog-auto-undef): Add AUTOUNDEF to remove
defines from global name space. Reported by Dan Dever.
(verilog-auto-reset, verilog-auto-reset-widths)
(verilog-auto-tieoff): Support using unbased numbers for
AUTORESET and AUTOTIEOFF.
(verilog-submit-bug-report): Update variable list.
(verilog-read-auto-params): Fix AUTOINPUT regexps containing
parenthesis from not matching. Reported by Michael Rytting.
(verilog-auto-template-lint): Fix hash error when linting modules
with no used templates.
(verilog-warn, verilog-warn-error)
(verilog-warn-fatal): When non-interactive report multiple
warnings before exiting.  Suggested by Brad Dobbie.
(verilog-auto-template-lint, verilog-auto-template-warn-unused)
(verilog-read-auto-template): Add `verilog-auto-template-warn-unused'
to report unused template errors.  Reported by Brad Dobbie.
(verilog-read-decls): Fix AUTOWIRE etc on supply0, supply1 type
nets, bug438. Reported by Vns Blore.
(verilog-auto-inout-module, verilog-auto-reg)
(verilog-read-decls, verilog-read-sub-decls-sig)
(verilog-signals-edit-wire-reg, verilog-signals-with):
Fix passing of Verilog data types in ANSI input/output ports
such as "output logic" into the AUTOs. Special case "wire" and
"reg" for backwards compatibility presuming Verilog 2001.
(verilog-auto-ascii-enum): Add "auto enum" as alias.
(verilog-preprocess): Fix replication of preprocess output.
Reported by Brad Dobbie.
(verilog-auto-inst-interfaced-ports):
Create verilog-auto-inst-interfaced-ports, bug429.
Reported by Julian Gorfajn.
(verilog-after-save-font-hook)
(verilog-before-save-font-hook): New variable.
(verilog-modi-cache-results, verilog-save-font-mod-hooked)
(verilog-save-font-mods): Wrap disabling fontification, reported
by David Rogoff.
(verilog-do-indent, verilog-pretty-declarations-auto)
(verilog-sk-def-reg): Fix obeying `verilog-auto-lineup', bug305.
Reported by Pierre-David Pfister.
(verilog-set-auto-endcomments): Fix endtask auto comments outside
of class declarations, bug292.  Reported by Kevin Heilman.
(verilog-read-decls): Fix 'parameter type' not appearing in
AUTOINSTPARAM, bug340.  Reported by Jonathan Greenlaw.
(verilog-auto-logic): Fix when AUTOLOGIC present to properly do
AUTOINPUTs, bug411. Reported by Jonathan Greenlaw.
(verilog-read-auto-lisp): Avoid syntax-ppss warning on AUTOLISP.
Reported by David Kravitz.

* progmodes/verilog-mode.el (verilog-pretty-expr): Don't line up
assignment with tests in ifs and for loops.
(verilog-extended-complete-re, verilog-complete-reg): Change so
that DPI inport functions don't look like fuction declarations.
(verilog-pretty-expr): Don't line up assignment
operations to the test and increment in if and for loops
(verilog-extended-complete-re, verilog-complete-reg): Change so
that DPI inport functions don't look like fuction declarations