diff -r 56cd8111b7f7 -r 41300fa6a67c src/corelib/codecs/qtextcodec.cpp
--- a/src/corelib/codecs/qtextcodec.cpp	Tue Jan 26 12:42:25 2010 +0200
+++ b/src/corelib/codecs/qtextcodec.cpp	Tue Feb 02 00:43:10 2010 +0200
@@ -1573,9 +1573,6 @@
     cannot be detected from the content provided, \a defaultCodec is
     returned.
 
-    The behavior of this function is undefined if \a ba is not
-    encoded in unicode.
-
     \sa codecForHtml()
 */
 QTextCodec *QTextCodec::codecForUtfText(const QByteArray &ba, QTextCodec *defaultCodec)
@@ -1620,9 +1617,6 @@
     that is capable of decoding the text to unicode. If the codec
     cannot be detected, this overload returns a Latin-1 QTextCodec.
 
-    The behavior of this function is undefined if \a ba is not
-    encoded in unicode.
-
     \sa codecForHtml()
 */
 QTextCodec *QTextCodec::codecForUtfText(const QByteArray &ba)