updated for version 7.0166
diff --git a/runtime/doc/version7.txt b/runtime/doc/version7.txt
index 3c8cf68..0970249 100644
--- a/runtime/doc/version7.txt
+++ b/runtime/doc/version7.txt
@@ -1,4 +1,4 @@
-*version7.txt*  For Vim version 7.0aa.  Last change: 2005 Dec 07
+*version7.txt*  For Vim version 7.0aa.  Last change: 2005 Dec 09
 
 
 		  VIM REFERENCE MANUAL    by Bram Moolenaar
@@ -631,6 +631,10 @@
 Unix: When libcall() fails obtain an error message with dlerror() and display
 it. (Johannes Zellner)
 
+Mac and Cygwin: When editing an existing file make the file name the same case
+of the edited file.  Thus when typing ":e os_UNIX.c" the file name becomes
+"os_unix.c".
+
 Added "nbsp" in 'listchars'. (David Blanchet)
 
 Added the "acwrite" value for the 'buftype' option.  This is for a buffer that