On Fri, Nov 04, 2016, Tadziu Hoffmann wrote: > > > Should it say, instead: > > > > "...the amount of vertical space truncated from a .sp request > > ^^^^^^^^^^^^^^^^^^ > > by the most recently sprung vertical position trap..." > > I believe that's how it was meant. > > The info file has this to say: > > [...] at the point a trap is sprung, [.trunc] represents > the difference of what the vertical position would have been > but for the trap, and what the vertical position actually is. > > If a position trap is sprung from a .sp request, the excess > space is truncated, and the current vertical position is now > the position of the trap -- if the trap were not there, the > vertical position would be different. If normal text is output > that springs the trap, *nothing is actually truncated* -- the > vertical position is still the bottom of the text that was > output, and would be the same if the trap were not there.
Thanks, Tadziu. Great explanation. I was conceptualizing things wrong. I wonder, though, if the small emendation to the docs, above, might be a good idea anyway, for clarity. -- Peter Schaffter http://www.schaffter.ca