add script to generate .html from .txt

SVN=114148
diff --git a/doc/go_lang.txt b/doc/go_lang.txt
index 319de95..e888455 100644
--- a/doc/go_lang.txt
+++ b/doc/go_lang.txt
@@ -438,7 +438,7 @@
 
 A character literal is a form of unsigned integer constant.  Its value
 is that of the Unicode code point represented by the text between the
-quotes. [Note: the Unicode doesn't look right in the browser.]
+quotes.
 
     'a'
     'ä'