Fix yet another directory parser bug.

diff --git a/v7/src/runtime/dospth.scm b/v7/src/runtime/dospth.scm
index 0f79fcfefd88c83efaafa8bf89e74ddedce75ee8..fecfc14147b5e929df9baa0f3d3c1950235a9ec4 100644 (file)
--- a/v7/src/runtime/dospth.scm
+++ b/v7/src/runtime/dospth.scm
@@ -1,6 +1,6 @@
 #| -*-Scheme-*-
 
-$Header: /Users/cph/tmp/foo/mit-scheme/mit-scheme/v7/src/runtime/dospth.scm,v 1.12 1992/08/13 19:13:09 jinx Exp $
+$Header: /Users/cph/tmp/foo/mit-scheme/mit-scheme/v7/src/runtime/dospth.scm,v 1.13 1992/08/14 03:50:58 jinx Exp $
 
 Copyright (c) 1992 Massachusetts Institute of Technology
 
@@ -129,11 +129,16 @@ MIT in each case. |#
       (let ((len (string-length component)))
        (cond ((substring-find-previous-char component 0 len #\.)
               ;; Handle screwy directories with dots in their names.
-              (parse-name component
-                          (lambda (before after)
-                            (string-append (->field before)
-                                           "."
-                                           (->field after)))))
+              =>
+              (lambda (posn)
+                (parse-name component
+                            (lambda (before after)
+                              (let ((before (->field before)))
+                                (if (string=? before component)
+                                    component
+                                    (string-append before
+                                                   "."
+                                                   (->field after))))))))
              ((> len 8)
               (substring component 0 8))
              (else