<CODE> ... </CODE> is meant to enclose programs, or samples of program code for emphasis, usually displayed in a monospaced font.
None.
<CODE> ... </CODE> is legal within:
<A> <ADDRESS> <B> <CITE> <CODE> <DD> <DT> <EM> <H*> <I> <KBD> <LI> <P> <PRE> <SAMP> <STRONG> <TT> <VAR>
The following markup can be used within <CODE> ... </CODE>
<A> <BR> <CITE> <CODE> <EM> <I> <IMG> <KBD> <SAMP> <STRONG> <TT> <VAR>
To set off samples of program code or other computer-based information within a document body.
<CODE>
10 x=1<BR>
20 x=x+1<BR>
30 print x;<BR>
40 goto 20<BR>
</CODE>