itemize"><CODE>$(OutChannel.to-string)</CODE>: get the current string of
output, for an output channel created as <CODE>OutChannel.open-string</CODE>.
</LI><LI CLASS="li-itemize"><CODE>$(OutChannel.append &lt;file&gt;)</CODE>: opens a new output channel,
appending to the file.
</LI><LI CLASS="li-itemize"><CODE>$(c.flush)</CODE>: flush the output channel.
</LI><LI CLASS="li-itemize"><CODE>$(c.print &lt;string&gt;)</CODE>: print a string to the channel.
</LI><LI CLASS="li-itemize"><CODE>$(c.println &lt;string