--- ntpath.py	2006-10-22 10:56:22.046875000 -0700
+++ ntpath.py	2006-10-22 14:11:42.781250000 -0700
@@ -285,19 +285,23 @@
     i, n = 1, len(path)
     while i < n and path[i] not in '/\\':
         i = i + 1
-    if i == 1:
-        if 'HOME' in os.environ:
-            userhome = os.environ['HOME']
-        elif not 'HOMEPATH' in os.environ:
-            return path
-        else:
-            try:
-                drive = os.environ['HOMEDRIVE']
-            except KeyError:
-                drive = ''
-            userhome = join(drive, os.environ['HOMEPATH'])
-    else:
+
+    if 'HOME' in os.environ:
+        userhome = os.environ['HOME']
+    elif 'USERPROFILE' in os.environ:
+        userhome = os.environ['USERPROFILE']
+    elif not 'HOMEPATH' in os.environ:
         return path
+    else:
+        try:
+            drive = os.environ['HOMEDRIVE']
+        except KeyError:
+            drive = ''
+        userhome = join(drive, os.environ['HOMEPATH'])
+
+    if i != 1: #~user
+        userhome = join(dirname(userhome), path[1:i])
+
     return userhome + path[i:]
 
 
@@ -311,10 +315,10 @@
 # XXX except '^|<>='.
 
 def expandvars(path):
-    """Expand shell variables of form $var and ${var}.
+    """Expand shell variables of forms $var, ${var} and %var%
 
     Unknown variables are left unchanged."""
-    if '$' not in path:
+    if '$' not in path and '%' not in path:
         return path
     import string
     varchars = string.ascii_letters + string.digits + '_-'
@@ -332,6 +336,22 @@
             except ValueError:
                 res = res + path
                 index = pathlen - 1
+        elif c == '%':  # variable or '%'
+            if path[index + 1:index + 2] == '%':
+                res = res + c
+                index = index + 1
+            else:
+                path = path[index+1:]
+                pathlen = len(path)
+                try:
+                    index = path.index('%')
+                except ValueError:
+                    res = res + path
+                    index = pathlen - 1
+                else:
+                    var = path[:index]
+                    if var in os.environ:
+                        res = res + os.environ[var]
         elif c == '$':  # variable or '$$'
             if path[index + 1:index + 2] == '$':
                 res = res + c