lua/doc: add documentation for reader:node_empty (vlc.xml)
lua/doc: add documentation for reader:node_empty (vlc.xml)

Signed-off-by: Pierre Ynard <efc674bf215af8c633f25041b289869f9d3ac058@yahoo.fr>

xkfz007/vlc,xkfz007/vlc,xkfz007/vlc,xkfz007/vlc,xkfz007/vlc,xkfz007/vlc,xkfz007/vlc