opy</CODE>,
<CODE>lua_len</CODE>,
<CODE>lua_rawgetp</CODE>,
<CODE>lua_rawsetp</CODE>,
<CODE>lua_upvalueid</CODE>,
<CODE>lua_upvaluejoin</CODE>,
<CODE>lua_version</CODE>.
<LI> new functions
<CODE>luaL_checkversion</CODE>,
<CODE>luaL_setmetatable</CODE>,
<CODE>luaL_testudata</CODE>,
<CODE>luaL_tolstring</CODE>.
<LI> <CODE>lua_pushstring</CODE> and <CODE>pushlstring</CODE> return string
<LI> <CODE>nparams</CODE> and <CODE>isvararg</CODE> available in debug API
<LI> new <CODE>lua_Unsigned</CODE>
</UL>

<H3>Impl