Backout replacing manually crafted hex regexes with [:xdigit:].

* lisp/progmodes/verilog-mode.el (verilog-delay-re):
(verilog-type-font-keywords, verilog-read-always-signals-recurse):
(verilog-is-number): Backout replacing manually crafted hex regexes with
[:xdigit:] (Bug#36167).  This repairs Verilog-mode regressions;
Verilog-mode maintains back-compatibility with Emacsen before this syntax
was supported.
1 job for master in 53 minutes and 57 seconds (queued for 1 second)
Status Job ID Name Coverage
  Test
failed #2395
test-all

00:53:57

 
Name Stage Failure
failed
test-all Test
Makefile:318: recipe for target 'check-doit' failed
make[2]: *** [check-doit] Error 1
make[2]: Leaving directory '/builds/emacs/emacs/test'
Makefile:293: recipe for target 'check-expensive' failed
make[1]: *** [check-expensive] Error 2
make[1]: Leaving directory '/builds/emacs/emacs/test'
Makefile:959: recipe for target 'check-expensive' failed
make: *** [check-expensive] Error 2
ERROR: Job failed: exit code 1