updated for version 7.0135
diff --git a/runtime/doc/options.txt b/runtime/doc/options.txt
index 802ae99..6a3e697 100644
--- a/runtime/doc/options.txt
+++ b/runtime/doc/options.txt
@@ -1,4 +1,4 @@
-*options.txt* For Vim version 7.0aa. Last change: 2005 Aug 21
+*options.txt* For Vim version 7.0aa. Last change: 2005 Aug 23
VIM REFERENCE MANUAL by Bram Moolenaar
@@ -1200,9 +1200,10 @@
these words, separated by a comma:
internal Use internal case mapping functions, the current
locale does not change the case mapping. This only
- matters when 'encoding' is a Unicode encoding. When
- "internal" is omitted, the towupper() and towlower()
- system library functions are used when available.
+ matters when 'encoding' is a Unicode encoding,
+ "latin1" or "iso-8859-15". When "internal" is
+ omitted, the towupper() and towlower() system library
+ functions are used when available.
keepascii For the ASCII characters (0x00 to 0x7f) use the US
case mapping, the current locale is not effective.
This probably only matters for Turkish.