Add some missing version tags.

* lisp/electric.el (electric-quote-comment)
(electric-quote-string, electric-quote-paragraph):
* lisp/epg-config.el (epg-gpgconf-program):
* lisp/rect.el (rectangle-preview):
* lisp/emacs-lisp/check-declare.el (check-declare-ext-errors):
* lisp/emacs-lisp/package.el (package-selected-packages)
(package-hidden-regexps):
* lisp/erc/erc.el (erc-network-hide-list, erc-channel-hide-list):
* lisp/eshell/em-term.el (eshell-destroy-buffer-when-process-dies):
* lisp/gnus/mml-sec.el (mml1991-signers, mml2015-signers)
(mml-smime-signers, mml1991-encrypt-to-self, mml2015-encrypt-to-self)
(mml-smime-encrypt-to-self, mml2015-sign-with-sender)
(mml-smime-sign-with-sender, mml2015-always-trust)
(mml-secure-fail-when-key-problem, mml-secure-key-preferences):
* lisp/net/browse-url.el (browse-url-conkeror-new-window-is-buffer)
(browse-url-conkeror-arguments):
* lisp/net/newst-reader.el (newsticker-download-logos):
* lisp/progmodes/gud.el (gud-guiler-command-name):
* lisp/progmodes/prog-mode.el (prettify-symbols-unprettify-at-point):
* lisp/progmodes/project.el (project-vc):
* lisp/progmodes/python.el (python-indent-guess-indent-offset-verbose)
(python-shell-remote-exec-path, python-shell-first-prompt-hook)
(python-shell-completion-native-disabled-interpreters)
(python-shell-completion-native-enable)
(python-shell-completion-native-output-timeout)
(python-shell-completion-native-try-output-timeout):
* lisp/progmodes/xref.el (xref):
* lisp/term/screen.el (xterm-screen-extra-capabilities):
* lisp/term/xterm.el (xterm-max-cut-length):
Add missing version tags.

lisp/electric.el

@@ -417,14 +417,17 @@ The variable `electric-layout-rules' says when and how to insert newlines."
 
 (defcustom electric-quote-comment t
   "Non-nil means to use electric quoting in program comments."
+  :version "25.1"
   :type 'boolean :safe 'booleanp :group 'electricity)
 
 (defcustom electric-quote-string nil
   "Non-nil means to use electric quoting in program strings."
+  :version "25.1"
   :type 'boolean :safe 'booleanp :group 'electricity)
 
 (defcustom electric-quote-paragraph t
   "Non-nil means to use electric quoting in text paragraphs."
+  :version "25.1"
   :type 'boolean :safe 'booleanp :group 'electricity)
 
 (defun electric--insertable-p (string)

lisp/emacs-lisp/check-declare.el

@@ -131,6 +131,7 @@ With optional argument FULL, sums the number of elements in each element."
 
 (defcustom check-declare-ext-errors nil
   "When non-nil, warn about functions not found in :ext."
+  :version "25.1"
   :type 'boolean)
 
 (defun check-declare-verify (fnfile fnlist)

lisp/emacs-lisp/package.el

@@ -328,6 +328,7 @@ by running `package-install-selected-packages'.
 To check if a package is contained in this list here, use
 `package--user-selected-p', as it may populate the variable with
 a sane initial value."
+  :version "25.1"
   :type '(repeat symbol))
 
 (defcustom package-menu-async t
@@ -2653,6 +2654,7 @@ omitted from the package menu.  To toggle this, type \\[package-menu-toggle-hidi
 
 Values can be interactively added to this list by typing
 \\[package-menu-hide-package] on a package"
+  :version "25.1"
   :type '(repeat (regexp :tag "Hide packages with name matching")))
 
 (defun package-menu--refresh (&optional packages keywords)

lisp/epg-config.el

@@ -53,6 +53,7 @@
 
 (defcustom epg-gpgconf-program "gpgconf"
   "The `gpgconf' executable."
+  :version "25.1"
   :group 'epg
   :type 'string)
 

lisp/erc/erc.el

@@ -265,14 +265,16 @@ A typical value would be \(\"JOIN\" \"PART\" \"QUIT\")."
 (defcustom erc-network-hide-list nil
   "A list of IRC networks to hide message types from.
 A typical value would be \((\"freenode\" \"MODE\")
-(\"OFTC\" \"JOIN\" \"QUIT\"))."
+  \(\"OFTC\" \"JOIN\" \"QUIT\"))."
+  :version "25.1"
   :group 'erc-ignore
   :type 'erc-message-type)
 
 (defcustom erc-channel-hide-list nil
   "A list of IRC channels to hide message types from.
 A typical value would be \((\"#emacs\" \"QUIT\" \"JOIN\")
-(\"#erc\" \"NICK\")."
+  \(\"#erc\" \"NICK\")."
+  :version "25.1"
   :group 'erc-ignore
   :type 'erc-message-type)
 

lisp/eshell/em-term.el

@@ -136,6 +136,7 @@ character to the invoked process."
   "If non-nil, term buffers are destroyed after their processes die.
 WARNING: Setting this to non-nil may result in unexpected
 behavior for short-lived processes, see bug#18108."
+  :version "25.1"
   :type 'boolean
   :group 'eshell-term)
 

lisp/gnus/mml-sec.el

@@ -432,15 +432,18 @@ If called with a prefix argument, only encrypt (do NOT sign)."
 
 ;;; Common functionality for mml1991.el, mml2015.el, mml-smime.el
 
-(define-obsolete-variable-alias 'mml1991-signers 'mml-secure-openpgp-signers)
-(define-obsolete-variable-alias 'mml2015-signers 'mml-secure-openpgp-signers)
+(define-obsolete-variable-alias 'mml1991-signers 'mml-secure-openpgp-signers
+  "25.1")
+(define-obsolete-variable-alias 'mml2015-signers 'mml-secure-openpgp-signers
+  "25.1")
 (defcustom mml-secure-openpgp-signers nil
   "A list of your own key ID(s) which will be used to sign OpenPGP messages.
 If set, it is added to the setting of `mml-secure-openpgp-sign-with-sender'."
   :group 'mime-security
   :type '(repeat (string :tag "Key ID")))
 
-(define-obsolete-variable-alias 'mml-smime-signers 'mml-secure-smime-signers)
+(define-obsolete-variable-alias 'mml-smime-signers 'mml-secure-smime-signers
+  "25.1")
 (defcustom mml-secure-smime-signers nil
   "A list of your own key ID(s) which will be used to sign S/MIME messages.
 If set, it is added to the setting of `mml-secure-smime-sign-with-sender'."
@@ -448,9 +451,9 @@ If set, it is added to the setting of `mml-secure-smime-sign-with-sender'."
   :type '(repeat (string :tag "Key ID")))
 
 (define-obsolete-variable-alias
-  'mml1991-encrypt-to-self 'mml-secure-openpgp-encrypt-to-self)
+  'mml1991-encrypt-to-self 'mml-secure-openpgp-encrypt-to-self "25.1")
 (define-obsolete-variable-alias
-  'mml2015-encrypt-to-self 'mml-secure-openpgp-encrypt-to-self)
+  'mml2015-encrypt-to-self 'mml-secure-openpgp-encrypt-to-self "25.1")
 (defcustom mml-secure-openpgp-encrypt-to-self nil
   "List of own key ID(s) or t; determines additional recipients with OpenPGP.
 If t, also encrypt to key for message sender; if list, encrypt to those keys.
@@ -469,7 +472,7 @@ https://debbugs.gnu.org/cgi/bugreport.cgi?bug=18718"
 		 (repeat (string :tag "Key ID"))))
 
 (define-obsolete-variable-alias
-  'mml-smime-encrypt-to-self 'mml-secure-smime-encrypt-to-self)
+  'mml-smime-encrypt-to-self 'mml-secure-smime-encrypt-to-self "25.1")
 (defcustom mml-secure-smime-encrypt-to-self nil
   "List of own key ID(s) or t; determines additional recipients with S/MIME.
 If t, also encrypt to key for message sender; if list, encrypt to those keys.
@@ -488,7 +491,7 @@ https://debbugs.gnu.org/cgi/bugreport.cgi?bug=18718"
 		 (repeat (string :tag "Key ID"))))
 
 (define-obsolete-variable-alias
-  'mml2015-sign-with-sender 'mml-secure-openpgp-sign-with-sender)
+  'mml2015-sign-with-sender 'mml-secure-openpgp-sign-with-sender "25.1")
 ;mml1991-sign-with-sender did never exist.
 (defcustom mml-secure-openpgp-sign-with-sender nil
   "If t, use message sender to find an OpenPGP key to sign with."
@@ -496,14 +499,14 @@ https://debbugs.gnu.org/cgi/bugreport.cgi?bug=18718"
   :type 'boolean)
 
 (define-obsolete-variable-alias
-  'mml-smime-sign-with-sender 'mml-secure-smime-sign-with-sender)
+  'mml-smime-sign-with-sender 'mml-secure-smime-sign-with-sender "25.1")
 (defcustom mml-secure-smime-sign-with-sender nil
   "If t, use message sender to find an S/MIME key to sign with."
   :group 'mime-security
   :type 'boolean)
 
 (define-obsolete-variable-alias
-  'mml2015-always-trust 'mml-secure-openpgp-always-trust)
+  'mml2015-always-trust 'mml-secure-openpgp-always-trust "25.1")
 ;mml1991-always-trust did never exist.
 (defcustom mml-secure-openpgp-always-trust t
   "If t, skip key validation of GnuPG on encryption."
@@ -513,6 +516,7 @@ https://debbugs.gnu.org/cgi/bugreport.cgi?bug=18718"
 (defcustom mml-secure-fail-when-key-problem nil
   "If t, raise an error if some key is missing or several keys exist.
 Otherwise, ask the user."
+  :version "25.1"
   :group 'mime-security
   :type 'boolean)
 
@@ -523,6 +527,7 @@ This variable is only relevant if a recipient owns multiple key pairs (for
 encryption) or you own multiple key pairs (for signing).  In such cases,
 you will be asked which key(s) should be used, and your choice can be
 customized in this variable."
+  :version "25.1"
   :group 'mime-security
   :type '(alist :key-type (symbol :tag "Protocol") :value-type
 		(alist :key-type (symbol :tag "Usage") :value-type

lisp/net/browse-url.el

@@ -349,6 +349,7 @@ functionality is not available there."
   "Whether to open up new windows in a buffer or a new window.
 If non-nil, then open the URL in a new buffer rather than a new window if
 `browse-url-conkeror' is asked to open it in a new window."
+  :version "25.1"
   :type 'boolean
   :group 'browse-url)
 
@@ -415,6 +416,7 @@ commands reverses the effect of this variable."
 
 (defcustom browse-url-conkeror-arguments nil
   "A list of strings to pass to Conkeror as arguments."
+  :version "25.1"
   :type '(repeat (string :tag "Argument"))
   :group 'browse-url)
 

lisp/net/newst-reader.el

@@ -69,6 +69,7 @@ This must be one of the functions `newsticker-plainview' or
 (defcustom newsticker-download-logos
   t
   "If non-nil newsticker downloads logo images of subscribed feeds."
+  :version "25.1"
   :type 'boolean
   :group 'newsticker-reader)
 

lisp/progmodes/gud.el

@@ -1742,6 +1742,7 @@ and source-file directory for your debugger."
 (defcustom gud-guiler-command-name "guile"
   "File name for executing the Guile debugger.
 This should be an executable on your path, or an absolute file name."
+  :version "25.1"
   :type 'string
   :group 'gud)
 

lisp/progmodes/prog-mode.el

@@ -202,6 +202,7 @@ is immediately after the symbol.  The prettification will be
 reapplied as soon as point moves away from the symbol.  If
 set to nil, the prettification persists even when point is
 on the symbol."
+  :version "25.1"
   :type '(choice (const :tag "Never unprettify" nil)
                  (const :tag "Unprettify when point is inside" t)
                  (const :tag "Unprettify when point is inside or at right edge" right-edge))

lisp/progmodes/project.el

@@ -156,10 +156,11 @@ end it with `/'.  DIR must be one of `project-roots' or
 
 (defgroup project-vc nil
   "Project implementation using the VC package."
+  :version "25.1"
   :group 'tools)
 
 (defcustom project-vc-ignores nil
-  "List ot patterns to include in `project-ignores'."
+  "List of patterns to include in `project-ignores'."
   :type '(repeat string)
   :safe 'listp)
 

lisp/progmodes/python.el

@@ -715,6 +715,7 @@ It makes underscores and dots word constituent chars.")
 
 (defcustom python-indent-guess-indent-offset-verbose t
   "Non-nil means to emit a warning when indentation guessing fails."
+  :version "25.1"
   :type 'boolean
   :group 'python
   :safe' booleanp)
@@ -1999,6 +2000,7 @@ hosts PATH before starting processes.  Values defined in
 here.  Normally you wont use this variable directly unless you
 plan to ensure a particular set of paths to all Python shell
 executed through tramp connections."
+  :version "25.1"
   :type '(repeat string)
   :group 'python)
 
@@ -2621,6 +2623,7 @@ current process to not hang waiting for output by safeguarding
 interactive actions can be performed.  This is useful to safely
 attach setup code for long-running processes that eventually
 provide a shell."
+  :version "25.1"
   :type 'hook
   :group 'python)
 
@@ -3258,18 +3261,22 @@ the full statement in the case of imports."
   (list "pypy")
   "List of disabled interpreters.
 When a match is found, native completion is disabled."
+  :version "25.1"
   :type '(repeat string))
 
 (defcustom python-shell-completion-native-enable t
   "Enable readline based native completion."
+  :version "25.1"
   :type 'boolean)
 
 (defcustom python-shell-completion-native-output-timeout 5.0
   "Time in seconds to wait for completion output before giving up."
+  :version "25.1"
   :type 'float)
 
 (defcustom python-shell-completion-native-try-output-timeout 1.0
   "Time in seconds to wait for *trying* native completion output."
+  :version "25.1"
   :type 'float)
 
 (defvar python-shell-completion-native-redirect-buffer

lisp/progmodes/xref.el

@@ -76,6 +76,7 @@
   (require 'semantic/symref)) ;; for hit-lines slot
 
 (defgroup xref nil "Cross-referencing commands"
+  :version "25.1"
   :group 'tools)
 
 

lisp/rect.el

@@ -403,6 +403,7 @@ With a prefix (or a FILL) argument, also fill too short lines."
 
 (defcustom rectangle-preview t
   "If non-nil, `string-rectangle' will show an-the-fly preview."
+  :version "25.1"
   :type 'boolean)
 
 (defun rectangle--string-preview ()

lisp/term/screen.el

@@ -7,6 +7,7 @@
   "Extra capabilities supported under \"screen\".
 Some features of screen depend on the terminal emulator in which
 it runs, which can change when the screen session is moved to another tty."
+  :version "25.1"
   :type xterm--extra-capabilities-type
   :group 'xterm)
 

lisp/term/xterm.el

@@ -65,6 +65,7 @@ using the OSC 52 sequence.
 If you select a region larger than this size, it won't be copied to your system
 clipboard.  Since clipboard data is base 64 encoded, the actual number of
 string bytes that can be copied is 3/4 of this value."
+  :version "25.1"
   :type 'integer)
 
 (defconst xterm-paste-ending-sequence "\e[201~"