(sort-coding-systems): Use \'.

(select-safe-coding-system): Remove redundant assq check.
Remove raw-text, emacs-mule and no-conversion from the list of
proposed encodings unless there's nothing else.

1 files changed, 9 insertions, 3 deletions

diff --git a/lisp/international/mule-cmds.el b/lisp/international/mule-cmds.el
index ffa3840801d..92df9fcb4c0 100644
--- a/lisp/international/mule-cmds.el
+++ b/lisp/international/mule-cmds.el
@@ -439,7 +439,7 @@ non-nil, it is used to sort CODINGS in the different way than above."
                                      (t 32))
                              0))
                          (if (memq base lang-preferred) 8 0)
-                         (if (string-match "-with-esc$" (symbol-name base))
+                         (if (string-match "-with-esc\\'" (symbol-name base))
                              0 4)
                          (if (eq (coding-system-type base) 2)
                              ;; For ISO based coding systems, prefer
@@ -658,7 +658,6 @@ and TO is ignored."
       (if buffer-file-coding-system
           (let ((base (coding-system-base buffer-file-coding-system)))
             (or (eq base 'undecided)
-                (assq buffer-file-coding-system default-coding-system)
                 (rassq base default-coding-system)
                 (setq default-coding-system
                       (append default-coding-system
@@ -674,7 +673,6 @@ and TO is ignored."
         (and (coding-system-p preferred)
              (setq base (coding-system-base preferred))
              (coding-system-get preferred 'mime-charset)
-             (not (assq preferred default-coding-system))
              (not (rassq base default-coding-system))
              (setq default-coding-system
                    (append default-coding-system
@@ -749,6 +747,14 @@ and TO is ignored."
                           (coding-system-category elt)))
             (push elt l))))
 
+      ;; Remove raw-text, emacs-mule and no-conversion unless nothing
+      ;; else is available.
+      (setq codings
+            (or (delq 'raw-text
+                      (delq 'emacs-mule
+                            (delq 'no-conversion codings)))
+                '(raw-text emacs-mule no-conversion)))
+
       (let ((window-configuration (current-window-configuration)))
         (save-excursion
           ;; If some defaults are unsafe, make sure the offending