Warning: this is an htmlized version!
The original is across this link,
and the conversion rules are here.
export LUA="$HOME/usrc/iupluas/lua32"
export LUA4="$HOME/usrc/iupluas/lua40"
export LUA5="$HOME/usrc/iupluas/lua50"
export LUA51="$HOME/usrc/iupluas/lua51"