emacs-28 e746fc2e7b: Delete stale comments from Lisp Intro manual

[Stefan Kangas]

branch: emacs-28
commit e746fc2e7b54d962569a61c15d14c34294d9647e
Author: Stefan Kangas <stefan@marxist.se>
Commit: Stefan Kangas <stefan@marxist.se>

    Delete stale comments from Lisp Intro manual
    
    * doc/lispintro/emacs-lisp-intro.texi (Args as Variable or List)
    (print-elements-of-list, Miscellaneous): Delete some references to
    Emacs 22.
---
 doc/lispintro/emacs-lisp-intro.texi | 17 ++---------------
 1 file changed, 2 insertions(+), 15 deletions(-)

diff --git a/doc/lispintro/emacs-lisp-intro.texi 
b/doc/lispintro/emacs-lisp-intro.texi
index 8caf107a4c..860a758e75 100644
--- a/doc/lispintro/emacs-lisp-intro.texi
+++ b/doc/lispintro/emacs-lisp-intro.texi
@@ -2022,7 +2022,6 @@ the arguments to the function @code{concat} are the 
strings
 @w{@code{"The "}} and @w{@code{" red foxes."}} and the list
 @code{(number-to-string (+ 2 fill-column))}.
 
-@c For GNU Emacs 22, need number-to-string
 @smallexample
 (concat "The " (number-to-string (+ 2 fill-column)) " red foxes.")
 @end smallexample
@@ -10318,9 +10317,8 @@ loop with a list.
 
 @cindex @file{*scratch*} buffer
 The function requires several lines for its output.  If you are
-reading this in a recent instance of GNU Emacs,
-@c GNU Emacs 21, GNU Emacs 22, or a later version,
-you can evaluate the following expression inside of Info, as usual.
+reading this in a recent instance of GNU Emacs, you can evaluate the
+following expression inside of Info, as usual.
 
 If you are using an earlier version of Emacs, you need to copy the
 necessary expressions to your @file{*scratch*} buffer and evaluate
@@ -17742,17 +17740,6 @@ or start GNU Emacs with the command @code{emacs -nbc}.
 (setq grep-command "grep -i -nH -e ")
 @end smallexample
 
-@ignore
-@c Evidently, no longer needed in GNU Emacs 22
-
-item Automatically uncompress compressed files when visiting them
-
-smallexample
-(load "uncompress")
-end smallexample
-
-@end ignore
-
 @item Find an existing buffer, even if it has a different name@*
 This avoids problems with symbolic links.