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'\"==========================================================================
'\" STRINGS and MACROS
'\"==========================================================================
'\"
'\" Define strings for special characters that nroff doesn't have
'\"
'\" N.B. using .if cua to test for special characters did not work.
'\"
.if !'\*[.T]'ps' .ds ua up
.if '\*[.T]'ps' .ds ua \(ua
.if !'\*[.T]'ps' .ds da down
.if '\*[.T]'ps' .ds da \(da
.if !'\*[.T]'ps' .ds <- left
.if '\*[.T]'ps' .ds <- \(<-
.if !'\*[.T]'ps' .ds -> right
.if '\*[.T]'ps' .ds -> \(->
'\"
'\" bx - box a Courier string for making keycaps
'\"
'\" N.B. this mess is to make the line drawing come out only
'\" if we are really generating postscript
'\"
.de bx
.ie !'\*[.T]'ps' \{\
. RB [ \\$1 ]\\$2
.\}
.el \{\
. ie !r ps4html \{\
'\" \(br\|\s\-1\f(CB\\$1\fP\s+1\|\(br\l'|0\(rn'\l'|0\(ul'
. ft CW
. nr par*bxw \w'\\$1'+.4m
\Z'\v'.25m'\D'l 0 \-1m'\D'l \\n[par*bxw]u 0'\D'l 0 1m'\D'l \-\\n[par*bxw]u 0''\
\Z'\h'.2m'\s\-1\\$1\s+1'\
\h'\\n[par*bxw]u'\\$2
. ft P
. \}
. el \{\
. RB [ \\$1 ]\\$2
. \}
.\}
..
'\"
'\" strings to set current color (null with old groff)
'\"
.if mred .ds red \m[red]
.if mgreen .ds green \m[green]
.if mblue .ds blue \m[blue]
.if mblack .ds black \m[black]
.if mblack .ds mP \mP
'\"
'\" fix for grotty + xterm. We call for orange, grotty outputs yellow,
'\" but xterm displays yellow as orange. The cycle is complete.
'\"
.if n .defcolor orange rgb #ffff00
'\"
'\" color <color> \- set the current color (ignores request with old groff)
'\"
.de color
.if mred \m[\\$1]\c
..
'\"
'\" colorword <color> <word> \- colorize a word (ignored by old groff)
'\"
.de colorword
.ie m\\$1 \m[\\$1]\\$2\mP\c
.el \\$2\c
..
'\"
'\" colbox <fg> <bg> <word> \- colorize a word in a filled box
'\"
.de colbox
.ie mred \M[\\$2]\
\v'+.167v'\
\D'P 0 \-0.9v \w'\\$3'u 0 0 +0.9v \-\w'\\$3'u 0'\
\v'\-.167v'\
\m[\\$1]\\$3\mP\MP
.el \\$3\c
..
'\"
'\" Macros for doing pdfmarks
'\"
.de specialps
.if '\*[.T]'ps' \\k_\X'ps: \\$*'\h'|\\n_u'\c
..
'\"
'\" pdfmark PDFMARKCODE
'\"
.ds pdfmarks
.if d pdfmarks \{\
.de pdfmark
. specialps exec [\\$1 pdfmark
..
'\"
'\" pdfdest LINKNAME
'\"
.de pdfdest
.pdfmark "/Dest /\\$1 /View [/XYZ \-5 PL null] /DEST"
..
'\"
'\" pdfbookmark COUNT LINKNAME STRING
'\"
.de pdfbookmark
. pdfmark "/View [/XYZ 44 730 1.0] /Count \\$1 /Dest /\\$2 /Title (\\$3) /OUT"
..
'\"
'\" Define the SH and SS macros to save pdfmark information
'\" in "arrays" of numbers and strings.
'\"
.if !r rr_n \{\
.nr rr_n 0 1
.am SH
. nr rr_levels!\\n+[rr_n] 2
. ds rr_labels!\\n[rr_n] \\$*
. pdfdest Link\\n[rr_n]
..
.am SS
. nr rr_levels!\\n+[rr_n] 3
. ds rr_labels!\\n[rr_n] \\$*
. pdfdest Link\\n[rr_n]
..
.\}
'\"
'\" Called at the end of the document to generate the pdfmark outline
'\"
.de pdf_outline
.nr rr_levels!\\n+[rr_n] 1
.nr rr_i 0 1
.while \\n+[rr_i]<\\n[rr_n] \{\
. nr rr_ip1 \\n[rr_i]+1
. nr rr_count 0
. if \\n[rr_levels!\\n[rr_ip1]]>\\n[rr_levels!\\n[rr_i]] \{\
. nr rr_j \\n[rr_i] 1
. while \\n+[rr_j]<\\n[rr_n] \{\
. if \\n[rr_levels!\\n[rr_j]]<=\\n[rr_levels!\\n[rr_i]] \{\
. break
. \}
. if \\n[rr_levels!\\n[rr_j]]==(\\n[rr_levels!\\n[rr_i]]+1) \{\
. nr rr_count \\n[rr_count]+1
. \}
. \}
. \}
. ds hhh \\*[rr_labels!\\n[rr_i]]
. pdfbookmark \-\\n[rr_count] Link\\n[rr_i] "\\*[hhh]"
.\}
..
'\"
'\" Some postscript to make pdfmarks harmless on old interpreters...
'\"
.specialps "def /pdfmark where {pop} {userdict /pdfmark /cleartomark load put} ifelse"
'\"
'\" Force display of Bookmarks in Acrobat when document is viewed.
'\"
.pdfmark "[/PageMode /UseOutlines /Page 1 /View [/XYZ null null null] /DOCVIEW"
'\"
'\" Output the document info in pdfmarks
'\"
.pdfmark "\
/Title (\*[an-title](\*[an-section])) \
/Subject (\*[an-title] Manual Page) \
/Author (Rick Richardson) \
/Keywords (printing) \
/Creator (groff \n(.x.\n(.y.\n(.Y \-man) \
/CreationDate (\*[an-extra1]) \
/ModDate (\*[an-extra1]) \
/DOCINFO"
\}
'\"
'\" The manual page name is only 1st level mark
'\"
.nr rr_levels!\n+[rr_n] 1
.ds rr_labels!\n[rr_n] \*[an-title](\*[an-section])
.pdfdest Link\n[rr_n]
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