The registry has been changed to use '\' as a key delimiter instead of '/'.
Originally, one could mix both characters in the specification of registry
key for net [rpc] registry. Now this can not work any more, since '/' is
generally treated as a valid character of a key name.
Now, to be as user-friendly as possible, the net [rpc] registry code has
been changed to still support '/' as a key name delimiter if no '\' character
is found in the given registry path string. In that case, all '/' characters
are converted to '\' characters before proceeding. If on the other hand,
a '\' character is found in the path string, then no conversion is assumed,
and it is hence assumed that the path is already in the correct form and
'/' characters are supposed to be part of the key names.