ack/mkun/tmac.q3
1987-03-09 15:53:04 +00:00

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.\" MACROES FOR DISPLAYS (file tmac.q3)
.\"
.\" Th.A. Zoethout
.\"
.de DB \" SET DISPLAY [NO-]BREAK DEFAULT
.\" .DB [$1]
. \" $1 = display mode Break, No break. { B }
. \" initially display mode is N
.ie \&\\$1\&N\& .nr DB 0
.el .nr DB 1
..
.de DS \" START DISPLAY
.\" .DS [ [$1] $2 [ $3 [$4] ] ] [ $5 [ $6 [$7] ] [$8]
. \" $1 = mark for Marked and boXed display { | }
. \" $2 = Marked or boXed display { - }
. \" $3 = Left indent (L1) Marked and boXed display { 0 }
. \" $4 = Right indent (R1) boXed display { L1 }
. \" $5 = Indented or Quoted display { - }
. \" { M implies I, X implies Q }
. \" $6 = Left indent (L2) for I and Q { -:0, IQ:\n(IN }
. \" $7 = Right indent (R2) for Q { L2 }
. \" $8 = [No-] break { \n(DB }
.ie \\n(DS=1 .Er W ".DS: nested displays are not allowed
.el \{\
.nr DS 1
.ds D1 \\$1
.ds D2 \\$1
.ds D3 \\$1
.ds D4 \\$1
.nr DE 0
.if \&\\$2\&M\& .nr DE 1
.if \&\\$2\&X\& .nr DE 1
.if \\n(DE=0 \{\
.ds D1 \&
.ds D2 \(ul
.ds D3 \(br
.ds D4 \z\(br\}
.Dt 0 0 0 0 0 0
.ie \&\\$\\n(DE\&M\& .Dt 1 1 0 \\n(IN 0 0
.el .if \&\\$\\n(DE\&X\& .Dt 2 2 0 \\n(IN \\n(IN 0
.if \\n(Dt>0 .if \\n(DE<=\\n(.$ .if (\\$\\n(DE)=(\\$\\n(DE) \{\
.nr D1 \\$\\n(DEn
.nr DE +1 \}
.if \\n(Dt=2 .nr D4 \\n(D1
.if \\n(Dt=2 .if \\n(DE<=\\n(.$ .if (\\$\\n(DE)=(\\$\\n(DE) \{\
.nr D4 \\$\\n(DEn
.nr DE +1 \}
.ie \&\\$\\n(DE\&I\& .Dt \\n(Dt 1 \\n(D1 \\n(IN 0 \\n(D4
.el .if \&\\$\\n(DE\&Q\& .Dt \\n(Dt 2 \\n(D1 \\n(IN \\n(IN \\n(D4
.if \\n(Da>0 .if \\n(DE<=\\n(.$ .if (\\$\\n(DE)=(\\$\\n(DE) \{\
.nr D2 \\$\\n(DEn
.nr DE +1 \}
.if \\n(Da=2 .nr D3 \\n(D2
.if \\n(Da=2 .if \\n(DE<=\\n(.$ .if (\\$\\n(DE)=(\\$\\n(DE) \{\
.nr D3 \\$\\n(DEn
.nr DE +1 \}
.nr DE \\n(.u
.ie \\n(Da<2 .nf
.el .fi
.if \&\\$\\n(.$\&B\& .nr Da 1
.if \&\\$\\n(.$\&N\& .nr Da 0
.if \&\\$\\n(.$\&\& .nr Da \\n(DB
.if \\n(Dt=0 .Dt 0 \\n(Da \\n(D2 0 0 \\n(D3
.if \\n(NS=0 .sp \\n(VSu
.nr NS 0
.ch Id
.ne \\n(NDv
.nr Dx \\n(.i
.nr Dy \\n(.l
.in 0
.ti \\n(.iu
.ll \\n(Dyu-\\n(D1u-\\n(D2u-\\n(D3u-\\n(D4u-\\n(Dtn
.di Dx \}
..
.de DE \" DISPLAY END
.\" .DE [$1]
. \" $1 = succeeding vertical spacing { \n(VS }
.ie \\n(DS=0 .Er W ".DE: no matching .DS
.el \{\
.br
.di
.nf
.ll +\\n(D2u
.ie \\n(Dt>0 .ds Da \&\\*(D3\h#\\n(D2u#
.el .ds Da \&
.nr Dm \\n(dn 1v
.nr D2 0 1v
.ev 0
.di Dy
.if \\n(Dt=2 \&\\*(D1\l#\\n(Dyu-\\n(Dxu-\\n(D1u-\\n(D4u-2u*\w'\\*(D1'u\&\\*(D2#\\*(D1
.if \\n(Dt=2 .mc \\*(D3 \\n(D3u+1n
.cc 
Dm
Dx
cc
.rm Dx
.mc
.if \\n(Dt=2 \&\\*(D4\l#\\n(Dyu-\\n(Dxu-\\n(D1u-\\n(D4u-2u*\w'\\*(D4'u\&\\*(D2#\\*(D4
.di
.ev
.in \\n(Dxu+\\n(D1u
.ll \\n(Dyu-\\n(D4u
.if \\n(Da=0 .if \\n(dn>\\n(.t .bp
.Dy
.ie \\n(.$>0 .sp \\$1v
.el .sp \\n(VSu
.rs
.in \\n(Dxu
.ll \\n(Dyu
.nr DS 0
.if \\n(DE>0 .fi
.ch Id
.rr DE
.rr D1
.rr D2
.rr D3
.rr D4
.rr Da
.rr Dm
.rr Dt
.rr Dx
.rr Dy
.rm D1
.rm D2
.rm D3
.rm D4
.rm Da
.rm Dy \}
..
.de Dt \" set display parameters
. \" $1 = type
. \" $2 = mode
. \" $3 $4 $5 $6 = D1 D2 D3 D4
.nr Dt \\$1
.nr Da \\$2
.nr D1 \\$3
.nr D2 \\$4
.nr D3 \\$5
.nr D4 \\$6
.nr DE +1
..
.de Dm \" marking or protecting lines in second diversion
\\*(Da\c
ie \\n-(Dm>0 dt \\n+(D2u Dm
el dt
..
. \" INITIALIZATION
.nr DB 0
.\*($0
.rm $0