Draft function removes bitmap (photographic) images from a
file, so that it can be printed with less ink. Optionally, the the
boxes arguement can be set, filling the spaces left blank with a
crossed box denoting where the image was. This is not guaranteed to be fully
visible in all cases (the bitmap may be have been partially covered by vector
objects or clipped in the original). For example:
![\begin{framed}
\noindent\textit{Remove images, replacing with crossed boxes}
\pa...
...ft(pdf, Cpdflib.All(pdf), true!
\end{minipage}\\ [5mm]
\end{tabular}\end{framed}](img90.png)