. 
. This gives the definitions of the "display without formatting" macros
. Problem: still can't handle '\n"' (Turns it into a 0)
.de XD
.nf
.nr OI \\n(.i
.sp \\n(DDu
.if \\n(TM .ls 1
..
.	\" DE - end display of any kind
.de ID
.XD
.if t .in +.5i
.if n .in +8
.if \\n(.$ .if !\\$1I .if !\\$1 \{\
.	in \\n(OIu
.	in +\\$1n
.\}
..
.	\" LD - left display with no keep
.de DE
.ce 0
.if \\n(BD .DF
.nr BD 0
.in \\n(OIu
.KE
.if \\n(TM .ls 2
.sp \\n(DDu
.fi
..
.	\" BD - block display: center entire block
.  Here is where the content starts
.ID
.so /home/gropp/tools.n/comm/examples/ring.c
.DE
