updated for version 7.0227
diff --git a/runtime/doc/options.txt b/runtime/doc/options.txt
index 0cc9b34..822200c 100644
--- a/runtime/doc/options.txt
+++ b/runtime/doc/options.txt
@@ -1,4 +1,4 @@
-*options.txt* For Vim version 7.0aa. Last change: 2006 Mar 16
+*options.txt* For Vim version 7.0aa. Last change: 2006 Mar 17
VIM REFERENCE MANUAL by Bram Moolenaar
@@ -2557,6 +2557,9 @@
environment. This is the default value for 'encoding'. It is useful
when 'encoding' is set to "utf-8" and your environment uses a
non-latin1 encoding, such as Russian.
+ When 'encoding' is "utf-8" and a file contains an illegal byte
+ sequence it won't be recognized as UTF-8. You can use the |8g8|
+ command to find the illegal byte sequence.
WRONG VALUES: WHAT'S WRONG:
latin1,utf-8 "latin1" will always be used
utf-8,ucs-bom,latin1 BOM won't be recognized in an utf-8