Zero-width boxes for annotations, etc.
Provides macros extends the \llap/\rlap set in
Plain TeX:
– \ulap and /dlap are up and down laps,
in the same series as the originals;
– \xlap and \ylap are laps in the
horizontal and vertical directions, respectively, and
– \zlap provides a box of zero dimensions in both
axes, centred on its midpoint.
The author is unknown.
License: unknown Catalogued: 2006-12-15