[tex-eplain] pause?

=?macintosh?Q?G=8Erald_Tenenbaum?= gtenenb at free.fr
Fri May 29 01:15:05 CEST 2009


Is there a way, with eplain, to define a macro, 
say \pause with the following effect:

\pause first develops as \vfill\eject
but after pressing some key (ideally the space 
bar or the next arrow key) on the key board, the 
command \vfill\eject is hidden.

Such a macro would be very convenient for 
lectures when you want to hide part of the 
displayed page.


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