<sect2> <idx/MutableArray/
-<label id="sec:MutableArray">
+<label id="MutableArray">
<p>
The <tt/MutableArray/ interface provide operations for reading and
values of some basic type.
<sect3> <idx/Mutable arrays/
-<label id="sec:MutableArray:mutable-arrays">
+<label id="MutableArray:mutable-arrays">
<p>
The mutable array section of the API provides the following
</itemize>
<sect3> <idx/Mutable byte arrays/
-<label id="sec:MutableArray:mutable-byte-arrays">
+<label id="MutableArray:mutable-byte-arrays">
<p>
<tscreen><code>