Update runtime files.
diff --git a/runtime/doc/vi_diff.txt b/runtime/doc/vi_diff.txt
index f8949f6..69c6c5d 100644
--- a/runtime/doc/vi_diff.txt
+++ b/runtime/doc/vi_diff.txt
@@ -133,14 +133,10 @@
- All Unix systems (it works on all systems it was tested on, although
the GUI and Perl interface may not work everywhere).
- Amiga (500, 1000, 1200, 2000, 3000, 4000, ...).
- - MS-DOS in real-mode (no additional drivers required).
- - In protected mode on Windows 3.1 and MS-DOS (DPMI driver required).
- - Windows 95 and Windows NT, with support for long file names.
- - OS/2 (needs emx.dll)
+ - MS-Windows
- VMS
- BeOS
- Macintosh
- - Risc OS
- IBM OS/390
Note that on some systems features need to be disabled to reduce
resource usage. For some outdated systems you need to use an older