Variable: dns-mode-soa-auto-increment-serial
dns-mode-soa-auto-increment-serial is a customizable variable defined
in dns-mode.el.gz.
Value
t
Documentation
Whether to increment the SOA serial number automatically.
If this variable is t, the serial number is incremented upon each save of
the file. If it is ask, Emacs asks for confirmation whether it should
increment the serial upon saving. If nil, serials must be incremented
manually with M-x dns-mode-soa-increment-serial (dns-mode-soa-increment-serial).
Source Code
;; Defined in /usr/src/emacs/lisp/textmodes/dns-mode.el.gz
(defcustom dns-mode-soa-auto-increment-serial t
"Whether to increment the SOA serial number automatically.
If this variable is t, the serial number is incremented upon each save of
the file. If it is `ask', Emacs asks for confirmation whether it should
increment the serial upon saving. If nil, serials must be incremented
manually with \\[dns-mode-soa-increment-serial]."
:type '(choice (const :tag "Always" t)
(const :tag "Ask" ask)
(const :tag "Never" nil))
:safe 'symbolp)