) for description of a new terminal that supports interleaving
 plots with the command lines that generated them if gnuplot is run inside a
 vt340-compatible terminal emulator
) terminal supports interleaving plots with the command lines
 that generated them if gnuplot is run inside an svg-aware terminal emulator
) terminal supports saving the current graph to a bitmap file
) terminal graph window can be docked to the wgnuplot text window