124 lines
2.2 KiB
Plaintext
124 lines
2.2 KiB
Plaintext
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.\" MACROES FOR FOOTNOTES (file tmac.q4)
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.\"
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.\" Th.A. Zoethout
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.\"
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.de FN \" NUMBERED FOOTNOTE START
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.\" .FN [ [$1] $2 ]
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. \" $1 = prefix
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. \" $2 = suffix
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.ie \\n(FS=0 \{\
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.ie n \{\
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.if \\n(.$=0 .FS (\\n(FN)
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.if \\n(.$=1 .FS (\\n(FN) \\$1
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.if \\n(.$=2 .FS \\$1 (\\n(FN) \\$2\}
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.el \{\
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.if \\n(.$=0 .FS \\n(FN
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.if \\n(.$=1 .FS \\n(FN \\$1
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.if \\n(.$=2 .FS \\$1 \\n(FN \\$2\}\}
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.el \{\
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. Er W ".FN: nested footnotes are not allowed
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\&\\$1\\n(FN\\$2\}
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.nr FN +1
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..
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.de FS \" FOOTNOTE START
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.\" .FS [ [$1] ) $2 ( $3 ]
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. \" $1 = prefix
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. \" $2 = indicator
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. \" $3 = suffix
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.if \\n(.$>0 \{.ie n \&\\$1\\$2\\$3
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.el \v'-0.4m'\s-2\\$1\\$2\\$3\s+2\v'0.4m'\}
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.ie \\n(FS=1 .Er W ".FS: nested footnotes are not allowed
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.el \{\
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.nr FS 1
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.ev 1
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.nr Fp \\n(.s
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.ps \\n(Sf
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.ll \\n(Lfu
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.nr FE \\n(.i
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.in 1
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.da Fx
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.if \\n(.$>2 \&\\$2
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.if \\n(.$=1:(\\n(.$=2) \&\\$1\}
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..
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.de FE \" FOOTNOTE END
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.\" .FE $1
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. \" $1 = succeeding vertical spacing { 0 }
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.ie \\n(FS=0 .Er W ".FE: no matching .FS or .FN
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.el \{\
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.br
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.if !\&\\$1\&\& .sp \\$1v
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.di
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.ll \\n(LLu
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.in \\n(FEu
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.ps \\n(Fp
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.rr FE
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.rr Fp
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.nr Fx +\\n(dn
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.ev
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.Fp
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.nr FS 0\}
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..
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.de Fo \" catch footnote overflow trap macro
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.if \\n(Fl=2 .di Fl
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..
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.de Fp \" place footnote trap macro
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.nr Fl 0
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.if \\n(Fx>0 \{\
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.nr Fl 1
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.nr Fo \\n(nl+1v
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.if \\n(Fo<(\\n(Tmu+\\n(NDv+1v) .nr Fo \\n(Tmu+\\n(NDv+1v
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.if \\n(Fo>(\\n(.pu-\\n(Bmu-\\n(Fxu-\\n(Fmu) .nr Fl 2
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.if \\n(Fo>=(\\n(.pu-\\n(Bmu-\\n(Fmu) .nr Fl 3 \}
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.if \\n(Fl=0 .ch Bm \\n(.pu-\\n(Bmu
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.if \\n(Fl=1 .ch Bm \\n(.pu-\\n(Bmu-\\n(Fxu-\\n(Fmu
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.if \\n(Fl=2 .ch Bm \\n(Fou
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.if \\n(Fl=3 .ch Bm \\n(.pu-\\n(Bmu
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.rr Fo
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..
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.de Ft \" footnote processing at top of page
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.ev 1
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.if \\n(Fl=2 \{\
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.nr dn 0
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.nf
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.di Fx
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.Fl
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.br
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.di
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.fi
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.rm Fl
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.nr Fx \\n(dn \}
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.ev
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.Fp
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..
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.de Fb \" footnote processing at bottom of page
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.if (\\n(Fl=1):(\\n(Fl=2) \{\
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.ev 1
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.nr Fx 0
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.nr Fb \\n(.i
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.in 0
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\\*(Ncnf \" Nc is no-break control character
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.Fm
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.Fx
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\\*(Ncfi \" Nc is no-break control character
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.in \\n(Fbu
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.ev
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.rm Fx \}
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.if \\n(Fl=2 .if "\\n(.z"Fl" .di
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..
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.de Fm \" footnote marker
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\l#150p\(ul#
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\\*(Ncsp \" Nc is no-break control character
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..
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. \" FOOTNOTE INITIALIZATION
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.nr FN 1
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.nr Fx 0
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.nr Fl 0
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.ev 1
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.nr Fm 2v
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.ev
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.ch Bm \n(.pu+1v
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.wh \n(.pu-\n(Bmu Fo
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.ch Bm \n(.pu-\n(Bmu
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.\*($0
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.rm $0 ]R
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