(convert-standard-filename): Wrap in save-match-data.

diff --git a/lisp/w32-fns.el b/lisp/w32-fns.el
index 21b75223060e5b4cd337369c5811fa673f1939d4..e73aa0d696d2cd85d3e9487ac7234449342dfc24 100644 (file)
--- a/lisp/w32-fns.el
+++ b/lisp/w32-fns.el
@@ -240,28 +240,28 @@ On Windows and DOS, replace invalid characters.  On DOS, make
 sure to obey the 8.3 limitations.  On Windows, turn Cygwin names
 into native names, and also turn slashes into backslashes if the
 shell requires it (see `w32-shell-dos-semantics')."
-  (let ((name
-         (save-match-data
-           (if (string-match "\\`/cygdrive/\\([a-zA-Z]\\)/" filename)
+  (save-match-data
+    (let ((name
+          (if (string-match "\\`/cygdrive/\\([a-zA-Z]\\)/" filename)
                (replace-match "\\1:/" t nil filename)
-             (copy-sequence filename))))
-       (start 0))
-    ;; leave ':' if part of drive specifier
-    (if (and (> (length name) 1)
-            (eq (aref name 1) ?:))
-       (setq start 2))
-    ;; destructively replace invalid filename characters with !
-    (while (string-match "[?*:<>|\"\000-\037]" name start)
-      (aset name (match-beginning 0) ?!)
-      (setq start (match-end 0)))
-    ;; convert directory separators to Windows format
-    ;; (but only if the shell in use requires it)
-    (when (w32-shell-dos-semantics)
-      (setq start 0)
-      (while (string-match "/" name start)
-       (aset name (match-beginning 0) ?\\)
-       (setq start (match-end 0))))
-    name))
+             (copy-sequence filename)))
+         (start 0))
+      ;; leave ':' if part of drive specifier
+      (if (and (> (length name) 1)
+              (eq (aref name 1) ?:))
+         (setq start 2))
+      ;; destructively replace invalid filename characters with !
+      (while (string-match "[?*:<>|\"\000-\037]" name start)
+       (aset name (match-beginning 0) ?!)
+       (setq start (match-end 0)))
+      ;; convert directory separators to Windows format
+      ;; (but only if the shell in use requires it)
+      (when (w32-shell-dos-semantics)
+       (setq start 0)
+       (while (string-match "/" name start)
+         (aset name (match-beginning 0) ?\\)
+         (setq start (match-end 0))))
+      name)))
 
 ;;; Fix interface to (X-specific) mouse.el
 (defun x-set-selection (type data)