1 files changed, 25 insertions, 19 deletions

diff --git a/lisp/international/mule-diag.el b/lisp/international/mule-diag.el
index 85df7141788..01757f92029 100644
--- a/lisp/international/mule-diag.el
+++ b/lisp/international/mule-diag.el
@@ -300,15 +300,19 @@ at the place of `..':
       (princ "\nPriority order for recognizing coding systems when reading files:\n")
       (let ((l coding-category-list)
             (i 1)
+            (coding-list nil)
             coding aliases)
         (while l
           (setq coding (symbol-value (car l)))
-          (princ (format "  %d. %s" i coding))
-          (when (setq aliases (get coding 'alias-coding-systems))
-            (princ " ")
-            (princ (cons 'alias: aliases)))
-          (terpri)
-          (setq l (cdr l) i (1+ i))))
+          (when (not (memq coding coding-list))
+            (setq coding-list (cons coding coding-list))
+            (princ (format "  %d. %s" i coding))
+            (when (setq aliases (get coding 'alias-coding-systems))
+              (princ " ")
+              (princ (cons 'alias: aliases)))
+            (terpri)
+            (setq i (1+ i)))
+          (setq l (cdr l))))
       (princ "\n  Other coding systems cannot be distinguished automatically
   from these, and therefore cannot be recognized automatically
   with the present coding system priorities.\n\n")
@@ -527,20 +531,22 @@ but contains full information about each coding systems."
          (height (aref fontset-info 1))
          (fonts (and print-fonts (aref fontset-info 2)))
          (xlfd-fields (x-decompose-font-name fontset))
-         (weight (aref xlfd-fields xlfd-regexp-weight-subnum))
-         (slant  (aref xlfd-fields xlfd-regexp-slant-subnum))
          style)
-    (if (string-match "^bold$\\|^demibold$" weight)
-        (setq style (concat weight " "))
-      (setq style "medium "))
-    (cond ((string-match "^i$" slant)
-           (setq style (concat style "italic")))
-          ((string-match "^o$" slant)
-           (setq style (concat style "slant")))
-          ((string-match "^ri$" slant)
-           (setq style (concat style "reverse italic")))
-          ((string-match "^ro$" slant)
-           (setq style (concat style "reverse slant"))))
+    (if xlfd-fields
+        (let ((weight (aref xlfd-fields xlfd-regexp-weight-subnum))
+              (slant  (aref xlfd-fields xlfd-regexp-slant-subnum)))
+          (if (string-match "^bold$\\|^demibold$" weight)
+              (setq style (concat weight " "))
+            (setq style "medium "))
+          (cond ((string-match "^i$" slant)
+                 (setq style (concat style "italic")))
+                ((string-match "^o$" slant)
+                 (setq style (concat style "slant")))
+                ((string-match "^ri$" slant)
+                 (setq style (concat style "reverse italic")))
+                ((string-match "^ro$" slant)
+                 (setq style (concat style "reverse slant")))))
+      (setq style " ? "))
     (beginning-of-line)
     (insert fontset)
     (indent-to 58)