1 files changed, 7 insertions, 7 deletions
diff --git a/lisp/progmodes/verilog-mode.el b/lisp/progmodes/verilog-mode.el
index 60a2cf55f31..b36c6d02753 100644
--- a/lisp/progmodes/verilog-mode.el
+++ b/lisp/progmodes/verilog-mode.el
@@ -964,7 +964,7 @@ See also `verilog-library-flags', `verilog-library-directories'."
 This is used for AUTORESET and AUTOTIEOFF.  For proper behavior,
 you will probably also need `verilog-auto-reset-widths' set."
   :group 'verilog-mode-auto
-  :type 'string)
+  :type '(choice (const nil) regexp))
 (put 'verilog-active-low-regexp 'safe-local-variable 'stringp)
 
 (defcustom verilog-auto-sense-include-inputs nil
@@ -1138,21 +1138,21 @@ won't merge conflict."
   "If set, when creating AUTOINPUT list, ignore signals matching this regexp.
 See the \\[verilog-faq] for examples on using this."
   :group 'verilog-mode-auto
-  :type 'string)
+  :type '(choice (const nil) regexp))
 (put 'verilog-auto-input-ignore-regexp 'safe-local-variable 'stringp)
 
 (defcustom verilog-auto-inout-ignore-regexp nil
   "If set, when creating AUTOINOUT list, ignore signals matching this regexp.
 See the \\[verilog-faq] for examples on using this."
   :group 'verilog-mode-auto
-  :type 'string)
+  :type '(choice (const nil) regexp))
 (put 'verilog-auto-inout-ignore-regexp 'safe-local-variable 'stringp)
 
 (defcustom verilog-auto-output-ignore-regexp nil
   "If set, when creating AUTOOUTPUT list, ignore signals matching this regexp.
 See the \\[verilog-faq] for examples on using this."
   :group 'verilog-mode-auto
-  :type 'string)
+  :type '(choice (const nil) regexp))
 (put 'verilog-auto-output-ignore-regexp 'safe-local-variable 'stringp)
 
 (defcustom verilog-auto-template-warn-unused nil
@@ -1176,21 +1176,21 @@ assignment, else the data type for variable creation."
   "If set, when creating AUTOTIEOFF list, ignore signals matching this regexp.
 See the \\[verilog-faq] for examples on using this."
   :group 'verilog-mode-auto
-  :type 'string)
+  :type '(choice (const nil) regexp))
 (put 'verilog-auto-tieoff-ignore-regexp 'safe-local-variable 'stringp)
 
 (defcustom verilog-auto-unused-ignore-regexp nil
   "If set, when creating AUTOUNUSED list, ignore signals matching this regexp.
 See the \\[verilog-faq] for examples on using this."
   :group 'verilog-mode-auto
-  :type 'string)
+  :type '(choice (const nil) regexp))
 (put 'verilog-auto-unused-ignore-regexp 'safe-local-variable 'stringp)
 
 (defcustom verilog-typedef-regexp nil
   "If non-nil, regular expression that matches Verilog-2001 typedef names.
 For example, \"_t$\" matches typedefs named with _t, as in the C language."
   :group 'verilog-mode-auto
-  :type 'string)
+  :type '(choice (const nil) regexp))
 (put 'verilog-typedef-regexp 'safe-local-variable 'stringp)
 
 (defcustom verilog-mode-hook   'verilog-set-compile-command