(command-line-normalize-file-name): Convert /// at beginning to just /.

diff --git a/lisp/startup.el b/lisp/startup.el
index 0365b78549598d8478528536dc6698aa388f6d86..16214b176568fa3d85222b57a69af8da95a3c419 100644 (file)
--- a/lisp/startup.el
+++ b/lisp/startup.el
@@ -913,6 +913,9 @@ Type \\[describe-distribution] for information on getting the latest version."))
   "Collapse multiple slashes to one, to handle non-Emacs file names."
   ;; Use arg 1 so that we don't collapse // at the start of the file name.
   ;; That is significant on some systems.
+  ;; However, /// at the beginning is supposed to mean just /, not //.
+  (if (string-match "^///+" file)
+    (setq file (replace-match "/" t t file)))
   (while (string-match "//+" file 1)
     (setq file (replace-match "/" t t file)))
   file)