\label{sub:how_it_works}
All of the methods use window \textit{properties} to attach data, called a selection, to a source window. The program advertises the selection by using the X server. The window property used determines which selection type is set/advertised by the new selection.
\label{sub:how_it_works}
All of the methods use window \textit{properties} to attach data, called a selection, to a source window. The program advertises the selection by using the X server. The window property used determines which selection type is set/advertised by the new selection.