This package provides the command \hrefdisplayonly
(additionally to \href provided by the hyperref package). While
the (hyperlinked) text appears like an ordinary \href in the
compiled pdf-file, the same text will be "hidden" when printing
the text. Hiding is actually achieved by making the text the
same colour as the background, thus preserving the layout of
the rest of the text. Further the commands \hycon and \hycoff
(hyper-colour-on/off) can be used to simulate switching option
ocgcolorlinks of the hyperref package on and off. This package
is possibly obsolete, see section 3: "Alternatives" in the
documentation.