metamethod
<LI> hex and <CODE>\z</CODE> escapes in strings
<LI> support for hexadecimal floats
<LI> order metamethods work for different types
<LI> no more verification of opcode consistency
<LI> hook event "tail return" replaced by "tail call"
<LI> empty statement
<LI> <CODE>break</CODE> statement may appear in the middle of a block
</UL>

<H3>Libraries</H3>
<UL>
<LI> arguments for function called through <CODE>xpcall</CODE>
<LI> optional 'mode' argument to load and loadfile (to control binary x text)
<LI>