Make many gnus version variables obsolete

Many haven't been bumped since 1997, others not since 2004.
* lisp/gnus/deuglify.el (gnus-outlook-deuglify-version):
* lisp/gnus/gnus-diary.el (gnus-diary-version):
* lisp/gnus/nnagent.el (nnagent-version):
* lisp/gnus/nnbabyl.el (nnbabyl-version):
* lisp/gnus/nndiary.el (nndiary-version):
* lisp/gnus/nndir.el (nndir-version):
* lisp/gnus/nndoc.el (nndoc-version):
* lisp/gnus/nndraft.el (nndraft-version):
* lisp/gnus/nneething.el (nneething-version):
* lisp/gnus/nnfolder.el (nnfolder-version):
* lisp/gnus/nnmaildir.el (nnmaildir-version):
* lisp/gnus/nnmbox.el (nnmbox-version):
* lisp/gnus/nnmh.el (nnmh-version):
* lisp/gnus/nnml.el (nnml-version):
* lisp/gnus/nnrss.el (nnrss-version):
* lisp/gnus/nnspool.el (nnspool-version):
* lisp/gnus/nntp.el (nntp-version):
* lisp/gnus/nnvirtual.el (nnvirtual-version): Make obsolete in
favor of emacs-version.

18 files changed, 22 insertions, 2 deletions

diff --git a/lisp/gnus/deuglify.el b/lisp/gnus/deuglify.el
index 732c6062b8b..41fc2d83ac3 100644
--- a/lisp/gnus/deuglify.el
+++ b/lisp/gnus/deuglify.el
@@ -223,6 +223,7 @@
 
 (defconst gnus-outlook-deuglify-version "1.5 Gnus version"
   "Version of gnus-outlook-deuglify.")
+(make-obsolete-variable 'gnus-outlook-deuglify-version 'emacs-version "29.1")
 
 ;;; User Customizable Variables:
 
diff --git a/lisp/gnus/gnus-diary.el b/lisp/gnus/gnus-diary.el
index cd2b53064b9..6028d4fcb2f 100644
--- a/lisp/gnus/gnus-diary.el
+++ b/lisp/gnus/gnus-diary.el
@@ -65,8 +65,9 @@ There are currently two built-in format functions:
                  (const  :tag "french"  gnus-diary-delay-format-french)
                  (symbol :tag "other")))
 
-(defconst gnus-diary-version nndiary-version
+(defconst gnus-diary-version "0.2-b14"
   "Current Diary back end version.")
+(make-obsolete-variable 'gnus-diary-version 'emacs-version "29.1")
 
 
 ;; Compatibility functions ==================================================
@@ -377,8 +378,9 @@ If ARG (or prefix) is non-nil, force prompting for all fields."
 
 (defun gnus-diary-version ()
   "Current Diary back end version."
+  (declare (obsolete emacs-version "29.1"))
   (interactive)
-  (message "NNDiary version %s" nndiary-version))
+  (message "NNDiary version %s" gnus-diary-version))
 
 (provide 'gnus-diary)
 
diff --git a/lisp/gnus/nnagent.el b/lisp/gnus/nnagent.el
index 60140a46411..d7e32e45809 100644
--- a/lisp/gnus/nnagent.el
+++ b/lisp/gnus/nnagent.el
@@ -35,6 +35,7 @@
 
 
 (defconst nnagent-version "nnagent 1.0")
+(make-obsolete-variable 'nnagent-version 'emacs-version "29.1")
 
 (defvoo nnagent-directory nil
   "Internal variable."
diff --git a/lisp/gnus/nnbabyl.el b/lisp/gnus/nnbabyl.el
index ff0dea8ecdd..5f9903a5b06 100644
--- a/lisp/gnus/nnbabyl.el
+++ b/lisp/gnus/nnbabyl.el
@@ -55,6 +55,7 @@
 
 (defconst nnbabyl-version "nnbabyl 1.0"
   "nnbabyl version.")
+(make-obsolete-variable 'nnbabyl-version 'emacs-version "29.1")
 
 (defvoo nnbabyl-mbox-buffer nil)
 (defvoo nnbabyl-current-group nil)
diff --git a/lisp/gnus/nndiary.el b/lisp/gnus/nndiary.el
index bd60c43f59d..14540ac7e87 100644
--- a/lisp/gnus/nndiary.el
+++ b/lisp/gnus/nndiary.el
@@ -234,9 +234,11 @@ all.  This may very well take some time.")
 
 (defconst nndiary-version "0.2-b14"
   "Current Diary back end version.")
+(make-obsolete-variable 'nndiary-version 'emacs-version "29.1")
 
 (defun nndiary-version ()
   "Current Diary back end version."
+  (declare (obsolete emacs-version "29.1"))
   (interactive)
   (message "NNDiary version %s" nndiary-version))
 
diff --git a/lisp/gnus/nndir.el b/lisp/gnus/nndir.el
index 2ca25534ce1..75a6ace107a 100644
--- a/lisp/gnus/nndir.el
+++ b/lisp/gnus/nndir.el
@@ -48,6 +48,7 @@
 
 (defvoo nndir-status-string "" nil nnmh-status-string)
 (defconst nndir-version "nndir 1.0")
+(make-obsolete-variable 'nndir-version 'emacs-version "29.1")
 
 
 
diff --git a/lisp/gnus/nndoc.el b/lisp/gnus/nndoc.el
index 19ccce47b50..cdff7c9accf 100644
--- a/lisp/gnus/nndoc.el
+++ b/lisp/gnus/nndoc.el
@@ -218,6 +218,7 @@ from the document.")
 
 (defconst nndoc-version "nndoc 1.0"
   "nndoc version.")
+(make-obsolete-variable 'nndoc-version 'emacs-version "29.1")
 
 
 
diff --git a/lisp/gnus/nndraft.el b/lisp/gnus/nndraft.el
index fa88b8a87e0..f21e4faf559 100644
--- a/lisp/gnus/nndraft.el
+++ b/lisp/gnus/nndraft.el
@@ -56,6 +56,7 @@ are generated if and only if they are also in `message-draft-headers'."
 (defvoo nndraft-current-directory nil nil nnmh-current-directory)
 
 (defconst nndraft-version "nndraft 1.0")
+(make-obsolete-variable 'nndraft-version 'emacs-version "29.1")
 (defvoo nndraft-status-string "" nil nnmh-status-string)
 
 
diff --git a/lisp/gnus/nneething.el b/lisp/gnus/nneething.el
index 0c565a8230c..ff72842a2ee 100644
--- a/lisp/gnus/nneething.el
+++ b/lisp/gnus/nneething.el
@@ -57,6 +57,7 @@ included.")
 
 (defconst nneething-version "nneething 1.0"
   "nneething version.")
+(make-obsolete-variable 'nneething-version 'emacs-version "29.1")
 
 (defvoo nneething-current-directory nil
   "Current news group directory.")
diff --git a/lisp/gnus/nnfolder.el b/lisp/gnus/nnfolder.el
index c3f7073a7b8..a2b461c15f0 100644
--- a/lisp/gnus/nnfolder.el
+++ b/lisp/gnus/nnfolder.el
@@ -91,6 +91,7 @@ message, a huge time saver for large mailboxes.")
 
 (defconst nnfolder-version "nnfolder 2.0"
   "nnfolder version.")
+(make-obsolete-variable 'nnfolder-version 'emacs-version "29.1")
 
 (defconst nnfolder-article-marker "X-Gnus-Article-Number: "
   "String used to demarcate what the article number for a message is.")
diff --git a/lisp/gnus/nnmaildir.el b/lisp/gnus/nnmaildir.el
index 3dc74c95fb3..4d1ecbf8642 100644
--- a/lisp/gnus/nnmaildir.el
+++ b/lisp/gnus/nnmaildir.el
@@ -62,6 +62,7 @@
   (require 'subr-x))
 
 (defconst nnmaildir-version "Gnus")
+(make-obsolete-variable 'nnmaildir-version 'emacs-version "29.1")
 
 (defconst nnmaildir-flag-mark-mapping
   '((?F . tick)
diff --git a/lisp/gnus/nnmbox.el b/lisp/gnus/nnmbox.el
index 96ecc34e156..5735c97805e 100644
--- a/lisp/gnus/nnmbox.el
+++ b/lisp/gnus/nnmbox.el
@@ -52,6 +52,7 @@
 
 (defconst nnmbox-version "nnmbox 1.0"
   "nnmbox version.")
+(make-obsolete-variable 'nnmbox-version 'emacs-version "29.1")
 
 (defvoo nnmbox-current-group nil
   "Current nnmbox news group directory.")
diff --git a/lisp/gnus/nnmh.el b/lisp/gnus/nnmh.el
index 3902af7d2f6..bced527d03f 100644
--- a/lisp/gnus/nnmh.el
+++ b/lisp/gnus/nnmh.el
@@ -55,6 +55,7 @@ as unread by Gnus.")
 
 (defconst nnmh-version "nnmh 1.0"
   "nnmh version.")
+(make-obsolete-variable 'nnmh-version 'emacs-version "29.1")
 
 (defvoo nnmh-current-directory nil
   "Current news group directory.")
diff --git a/lisp/gnus/nnml.el b/lisp/gnus/nnml.el
index 7fe2b516cce..ae726ba0f7b 100644
--- a/lisp/gnus/nnml.el
+++ b/lisp/gnus/nnml.el
@@ -89,6 +89,7 @@ non-nil.")
 
 (defconst nnml-version "nnml 1.0"
   "nnml version.")
+(make-obsolete-variable 'nnml-version 'emacs-version "29.1")
 
 (defvoo nnml-nov-file-name ".overview")
 
diff --git a/lisp/gnus/nnrss.el b/lisp/gnus/nnrss.el
index 8c96d3e0678..99e7b2a6f3f 100644
--- a/lisp/gnus/nnrss.el
+++ b/lisp/gnus/nnrss.el
@@ -71,6 +71,7 @@ this variable to the list of fields to be ignored.")
 (defvoo nnrss-status-string "")
 
 (defconst nnrss-version "nnrss 1.0")
+(make-obsolete-variable 'nnrss-version 'emacs-version "29.1")
 
 (defvar nnrss-group-alist '()
   "List of RSS addresses.")
diff --git a/lisp/gnus/nnspool.el b/lisp/gnus/nnspool.el
index 39b89abb88a..e5eb4b81604 100644
--- a/lisp/gnus/nnspool.el
+++ b/lisp/gnus/nnspool.el
@@ -114,6 +114,7 @@ there.")
 
 (defconst nnspool-version "nnspool 2.0"
   "Version numbers of this version of NNSPOOL.")
+(make-obsolete-variable 'nnspool-version 'emacs-version "29.1")
 
 (defvoo nnspool-current-directory nil
   "Current news group directory.")
diff --git a/lisp/gnus/nntp.el b/lisp/gnus/nntp.el
index 29570fa8c9f..6fa424a1555 100644
--- a/lisp/gnus/nntp.el
+++ b/lisp/gnus/nntp.el
@@ -259,6 +259,7 @@ update their active files often, this can help.")
 (defvoo nntp-connection-alist nil)
 (defvoo nntp-status-string "")
 (defconst nntp-version "nntp 5.0")
+(make-obsolete-variable 'nntp-version 'emacs-version "29.1")
 (defvoo nntp-inhibit-erase nil)
 (defvoo nntp-inhibit-output nil)
 
diff --git a/lisp/gnus/nnvirtual.el b/lisp/gnus/nnvirtual.el
index ae4265de7fb..7b192aa1d2e 100644
--- a/lisp/gnus/nnvirtual.el
+++ b/lisp/gnus/nnvirtual.el
@@ -57,6 +57,7 @@ component group will show up when you enter the virtual group.")
 
 
 (defconst nnvirtual-version "nnvirtual 1.1")
+(make-obsolete-variable 'nnvirtual-version 'emacs-version "29.1")
 
 (defvoo nnvirtual-current-group nil)