Remove references to OS/2 in code, doc, and comments

* lisp/gnus/nnheader.el (nnheader-read-timeout)
(nnheader-file-name-translation-alist): Remove OS/2 case, and simplify.
* lisp/emulation/viper-util.el (viper-color-defined-p):
* lisp/net/pop3.el (pop3-read-timeout):
* lisp/net/imap.el (imap-read-timeout):
* lisp/url/url-privacy.el (url-setup-privacy-info): Remove OS/2 case.
* lisp/emulation/viper-ex.el (viper-glob-function):
* lisp/vc/ediff-util.el (ediff-submit-report): Doc fix.
* lisp/cus-edit.el (custom-display): Remove "pm" (OS/2).
* doc/emacs/msdos-xtra.texi (MS-DOS):
* doc/misc/gnus.texi (Various Various):
* doc/misc/viper.texi (Rudimentary Changes): Remove mentions of OS/2.
; * lisp/url/url.el, lisp/url/url-vars.el:
; * lisp/progmodes/cperl-mode.el: Remove old comments.

1 files changed, 3 insertions, 13 deletions

diff --git a/lisp/gnus/nnheader.el b/lisp/gnus/nnheader.el
index 648485b4f61..cc3dccea25f 100644
--- a/lisp/gnus/nnheader.el
+++ b/lisp/gnus/nnheader.el
@@ -82,8 +82,7 @@ Integer values will in effect be rounded up to the nearest multiple of
   :type 'integer)
 
 (defvar nnheader-read-timeout
-  (if (string-match "windows-nt\\|os/2\\|cygwin"
-		    (symbol-name system-type))
+  (if (memq system-type '(windows-nt cygwin))
       ;; http://thread.gmane.org/v9655t3pjo.fsf@marauder.physik.uni-ulm.de
       ;;
       ;; IIRC, values lower than 1.0 didn't/don't work on Windows/DOS.
@@ -105,17 +104,8 @@ Integer values will in effect be rounded up to the nearest multiple of
 Shorter values mean quicker response, but are more CPU intensive.")
 
 (defcustom nnheader-file-name-translation-alist
-  (let ((case-fold-search t))
-    (cond
-     ((string-match "windows-nt\\|os/2\\|cygwin"
-		    (symbol-name system-type))
-      (append (mapcar (lambda (c) (cons c ?_))
-		      '(?: ?* ?\" ?< ?> ??))
-	      (if (string-match "windows-nt\\|cygwin"
-				(symbol-name system-type))
-		  nil
-		'((?+ . ?-)))))
-     (t nil)))
+  (if (memq system-type '(windows-nt cygwin))
+      (mapcar (lambda (c) (cons c ?_)) '(?: ?* ?\" ?< ?> ??)))
   "Alist that says how to translate characters in file names.
 For instance, if \":\" is invalid as a file character in file names
 on your system, you could say something like: