*** Note: this version of the runtime system requires microcode

*** Note: this version of the runtime system requires microcode
    version 11.155 or later.  ***

* Implement heuristic to detect unix drivers and perform appropriate
  end-of-line translations for them.

* Provide names for Win32 file-system info flags.

* Reimplement SELECT support to match changes in microcode.  The
  improved support helps to prevent Scheme from getting stuck while
  waiting for input.