Creates a grob representing underlined text.
utextvpStatic(label, x=.5, y=.5, default.units="npc",
angle=0, just="centre", name="utext")
utextvpChildren(label, name)
A character value.
Numeric or unit value.
Units to use if location is not a unit.
Numeric angle of text (in degrees).
Character vector indicating justification of text relative to its location.
Character value.