rauletta@gmu90x.UUCP (rauletta) (08/21/89)
We are having a slight problem with eroff, eqn, and the
execution of left and right vertical bars.
We are trying to indicate the determinent of a matrix.
A small simple example would be;
.EQ C
V ~ = ~ left | { x over y } right |
.EN
Now for the problem. When we run this under eroff and print
on our Laserjet II, everything works fine, and we get
nice solid vertical bars. BUT when we send the output to
a postscript printer (TI 2115, LN03+ps) we get broken
vertical lines. Obviously the postscript character chosen
to build the bar is incorrect. We can go into the eqn output
and very carefully change the | to another postscript character
we get solid bars, but this is tiresome and as | is a common
character we must make the changes with some care.
Is this a known bug and is there an easy fix that won't
change the results on the LJII. By the way there is a
similar defect on the LJII in that the - (minus) in
eqn is not the same length as the + (plus) and for
equations to look right we we define - to \(em.
Also is there a limit to the length of defines in eqn
as released by Elan? We find that beyond a certain length
(it seems to depend on the complexity and number) eqn
fails.
--R.J.Auletta
rauletta@gmuvax2.gmu.edu