piece of a running text is not always an adequate solution and therefore
never should be used in generally used code.
-The generic conversion interface (@xref{Generic Charset Conversion})
+The generic conversion interface (@pxref{Generic Charset Conversion})
does not have this limitation (it simply works on buffers, not
strings), and the GNU C library contains a set of functions which take
additional parameters specifying the maximal number of bytes which are