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| -rw-r--r-- | tmac/s.tmac | 2177 |
1 files changed, 2177 insertions, 0 deletions
diff --git a/tmac/s.tmac b/tmac/s.tmac new file mode 100644 index 0000000..bdf36b8 --- /dev/null +++ b/tmac/s.tmac @@ -0,0 +1,2177 @@ +.ig + +s.tmac + +Copyright (C) 1989-2021 Free Software Foundation, Inc. + Written by James Clark (jjc@jclark.com) + +This file is part of groff. + +groff is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free +Software Foundation, either version 3 of the License, or +(at your option) any later version. + +groff is distributed in the hope that it will be useful, but WITHOUT ANY +WARRANTY; without even the implied warranty of MERCHANTABILITY or +FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License +for more details. + +You should have received a copy of the GNU General Public License +along with this program. If not, see <http://www.gnu.org/licenses/>. +.. +.if !\n(.g \ +. ab groff ms macros require groff extensions; aborting +. +.if \n(.C \ +. ab groff ms macros do not work in compatibility mode; aborting +. +.\" See if already loaded. +.if r GS .nx +.nr GS 1 +. +.mso devtag.tmac +.nr s@devtag-needs-end-of-heading 0 +.nr s@devtag-needs-end-of-title 0 +. +.\" Define a string for use in diagnostic messages. +.ds @s s.tmac\" +. +.de @diag +. ds *file \" empty +. ds *line \" empty +. if !'\\n[.F]'' .ds *file \\n[.F]:\" +. if !'\\n[.c]'0' .ds *line \\n[.c]:\" +. tm \*[@s]:\\*[*file]\\*[*line] \\$* +. rm *file +. rm *line +.. +. +.de @error +. @diag error: \\$* +.. +. +.de @warning +. @diag warning: \\$* +.. +. +.de @nop +.. +. +.de @not-implemented +.@error sorry, .\\$0 not implemented +.als \\$0 @nop +.. +. +.\" documented Unix Version 7 ms macros that we don't implement +.als EG @not-implemented \" engineer's notes +.als IM @not-implemented \" internal memorandum +.als MF @not-implemented \" memorandum for file +.als MR @not-implemented \" memorandum for record +.als TM @not-implemented \" technical memorandum +.als TR @not-implemented \" technical report +.als AT @not-implemented \" attachments +.als CS @not-implemented \" cover sheet info for `TM` documents +.als CT @not-implemented \" copies to +.als OK @not-implemented \" "other keywords" for `TM` documents +.als SG @not-implemented \" signatures for `TM` documents +.als HO @not-implemented \" Holmdel +.als IH @not-implemented \" Naperville (Indian Hill) +.als MH @not-implemented \" Murray Hill +.als PY @not-implemented \" Piscataway +.als WH @not-implemented \" Whippany +.als UX @not-implemented \" Unix w/ footnote trademark +. +.\" 4.2BSD ms macros documented by Tuthill 1983 that we don't implement +.\"als TM @not-implemented \" thesis mode (already handled) +.\"als CT @not-implemented \" chapter title for thesis (already handled) +. +.\" Wrap the .di request to save the name of the file being processed +.\" when a diversion is started. This aids diagnostics when diversions +.\" are still open after input has been processed and \n[.F] is empty. +.als @divert di +.de di +. if \\n[.$] .ds @last-file-seen \\n[.F]\" +. @divert \\$* +.. +. +.de @init +.if !rPO .nr PO \\n(.o +.\" a non-empty environment +.ev ne +\c +.ev +.ev nf +'nf +.ev +.. +.ds REFERENCES References +.ds ABSTRACT ABSTRACT +.ds TOC Table of Contents +.ds MONTH1 January +.ds MONTH2 February +.ds MONTH3 March +.ds MONTH4 April +.ds MONTH5 May +.ds MONTH6 June +.ds MONTH7 July +.ds MONTH8 August +.ds MONTH9 September +.ds MONTH10 October +.ds MONTH11 November +.ds MONTH12 December +.ds MO \E*[MONTH\n[mo]] +.ds DY \n[dy] \*[MO] \n[year] +.de ND +.if \\n[.$] .ds DY "\\$* +.. +.de DA +.if \\n[.$] .ds DY "\\$* +.ds CF \\*[DY] +.. +.\" print an error message and then try to recover +.de @error-recover +.@error \\$@ (recovering) +.nr *pop-count 0 +.while !'\\n(.z'' \{\ +. \"@warning automatically terminating diversion \\n(.z +. ie d @div-end!\\n(.z .@div-end!\\n(.z +. el .*div-end-default +. nr *pop-count +1 +. \" ensure that we don't loop forever +. if \\n[*pop-count]>20 .ab \*[@s]: fatal error: recovery failed +.\} +.while !'\\n[.ev]'0' .ev +.par@reset-env +.par@reset +.. +.de *div-end-default +.ds *last-div \\n(.z +.br +.di +.ev nf +.\\*[*last-div] +.ev +.. +.\" **************************** +.\" ******** module cov ******** +.\" **************************** +.\" Cover sheet and first page. +.de cov*err-not-after-first-page +.@error .\\$0 is not allowed after the first page has started +.. +.de cov*err-not-before-tl +.@error .\\$0 is not allowed before .TL +.. +.de cov*err-not-again +.@error .\\$0 is not allowed more than once +.. +.de cov*err-not-after-ab +.@error .\\$0 is not allowed after first .AB, .LP, .PP, .IP, .SH or .NH +.. +.als AU cov*err-not-before-tl +.als AI cov*err-not-before-tl +.als AB cov*err-not-before-tl +.de cov*first-page-init +.\" Invoked by '.wh 0' trap on first page. +.\" We should not come here again, but at short page length, +.\" recursion may occur; remove trap and macro to avoid it. +.ch cov*first-page-init +.rm cov*first-page-init +.if !'\\n[.ev]'0' \{\ +. ds cov*msg must be in top-level environment, not '\\n[.ev]',\" +. as cov*msg " when first page is started\" +. @error \\*[cov*msg] +. rm cov*msg +.\} +.par@init +.als RP cov*err-not-after-first-page +.@init +.ie \\n[cov*use-rp-format] \{\ +. pg@cs-top +. als FS cov*FS +. als FE cov*FE +.\} +.el \{\ +. pg@top +. als FS @FS +. als FE @FE +.\} +.wh 0 pg@top +.CHECK-FOOTER-AND-KEEP +.. +.wh 0 cov*first-page-init +.\" This handles the case where FS occurs before TL or LP. +.de FS +.br +\\*[FS]\\ +.. +.nr cov*use-rp-format 0 +.\" If we add more cover page formats, these behaviors and names could +.\" be generalized. +.nr cov*rp-no-repeat-info 0 +.nr cov*rp-no-renumber 0 +.\" report (AT&T: "released paper") document type +.de RP +.nr cov*use-rp-format 1 +.while \\n[.$] \{\ +. if '\\$1'no' .nr cov*rp-no-repeat-info 1 +. if '\\$1'no-repeat-info' .nr cov*rp-no-repeat-info 1 +. if '\\$1'no-renumber' .nr cov*rp-no-renumber 1 +. shift +.\} +.if rPO .po \\n(POu +.. +.de TL +.br +.als TL cov*err-not-again +.rn @AB AB +.rn @AU AU +.rn @AI AI +.di cov*tl-div +.par@reset +.ft B +.ps +2 +.vs +3p +.ll (u;\\n[LL]*5/6) +.nr cov*n-au 0 +.DEVTAG-TL +.. +.de @AU +.par@reset +.if !'\\n(.z'' \{\ +. br +. di +.\} +.nr cov*n-au +1 +.di cov*au-div!\\n[cov*n-au] +.nf +.ft I +.ie (\\n[PS] >= 1000) \ +. ps (\\n[PS]z / 1000u) +.el \ +. ps \\n[PS] +.. +.de @AI +.par@reset +.if !'\\n(.z'' \{\ +. br +. di +.\} +.ie !\\n[cov*n-au] .@error .AI before .AU +.el \{\ +. di cov*ai-div!\\n[cov*n-au] +. nf +. ft R +. ie (\\n[PS] >= 1000) \ +. ps (\\n[PS]z / 1000u) +. el \ +. ps \\n[PS] +.\} +.. +. +.de LP +.if !'\\n[.z]'' \{\ +. br +. di +.\} +.br +.cov*ab-init +.cov*print +.nop \\*[\\$0]\\ +.. +. +.als IP LP +.als PP LP +.als XP LP +.als QP LP +.als RS LP +.als NH LP +.als SH LP +.als MC LP +.als RT LP +.als XS LP +. +.de cov*ab-init +.als cov*ab-init @nop +.als LP @LP +.als IP @IP +.als PP @PP +.als XP @XP +.als RT @RT +.als XS @XS +.als SH @SH +.als NH @NH +.als QP @QP +.als RS @RS +.als RE @RE +.als QS @QS +.als QE @QE +.als MC @MC +.als EQ @EQ +.als EN @EN +.als PS @PS +.als TS @TS +.als AB cov*err-not-after-ab +.als AU par@AU +.als AI par@AI +.als TL par@TL +.. +. +.de @AB +.if !'\\n(.z'' \{\ +. br +. di +.\} +.cov*ab-init +.ie '\*(.T'html' \{\ +. cov*tl-au-print +. als cov*tl-au-print @nop +.\} +.el .di cov*ab-div +.par@ab-indent +.par@reset +.if !'\\$1'no' \{\ +. if '\*(.T'html' \{\ +. nf +. sp +. \} +. ft I +. ce 1 +\\*[ABSTRACT] +. sp +. ft R +.\} +.ns +.@PP +.if '\*(.T'html' \{\ +. cov*tl-au-print +. als cov*tl-au-print @nop +. par@reset-env +. par@reset +. cov*print +.\} +.. +.de AE +.ie '\*(.T'html' \{\ +. als AE cov*err-not-again +.\} +.el \{\ +. ie '\\n(.z'cov*ab-div' \{\ +. als AE cov*err-not-again +. br +. di +.\" nr cov*ab-height \\n[dn] +. par@reset-env +. par@reset +. cov*print +. \} +. el .@error .AE without .AB +.\} +.. +.de @div-end!cov*ab-div +.AE +.. +.de cov*break-page +.ie \\n[cov*rp-no-renumber] .bp +.el .bp 1 +.. +.de cov*print +.als cov*print @nop +.ie d cov*tl-div \{\ +. ie \\n[cov*use-rp-format] .cov*rp-print +. el .cov*draft-print +.\} +.el \{\ +. if \\n[cov*use-rp-format] \{\ +. @warning .RP format but no .TL +. .cov*break-page +. als FS @FS +. als FE @FE +. CHECK-FOOTER-AND-KEEP +. \} +. br +.\} +.. +.de cov*rp-print +.nr cov*page-length \\n[.p] +.pl 1000i +.cov*tl-au-print +.sp 3 +.if d cov*ab-div \{\ +. if !'\*(.T'html' .nf +. cov*ab-div +.\} +.sp 3 +.par@reset +\\*[DY] +.br +.if \\n[cov*fn-height] \{\ +. sp |(u;\\n[cov*page-length]-\\n[FM]\ +-\\n[cov*fn-height]-\\n[fn@sep-dist]>?\\n[nl]) +. fn@print-sep +. ev nf +. cov*fn-div +. ev +. ie \\n[cov*rp-no-repeat-info] .rm cov*fn-div +. el \{\ +. rn cov*fn-div fn@overflow-div +. nr fn@have-overflow 1 +. \} +.\} +.als FS @FS +.als FE @FE +.CHECK-FOOTER-AND-KEEP +.\" If anything was printed below where the footer line is normally +.\" printed, then that's an overflow. +.if -\\n[FM]/2+1v+\\n[cov*page-length]<\\n[nl] \ +. @error cover sheet overflow +.pl \\n[cov*page-length]u +.cov*break-page +.if !\\n[cov*rp-no-repeat-info] .cov*tl-au-print +.rs +.sp 1 +.. +.de cov*draft-print +.cov*tl-au-print +.if d cov*ab-div \{\ +. nf +. sp 2 +. cov*ab-div +.\} +.sp 1 +.. +.de cov*tl-au-print +.par@reset +.nf +.rs +.sp 3 +.ce 9999 +.if d cov*tl-div \{\ +. cov*tl-div +. DEVTAG-EO-TL +.\} +.nr cov*i 1 +.nr cov*sp 1v +.while \\n[cov*i]<=\\n[cov*n-au] \{\ +. ie '\*(.T'html' .br +. el .sp \\n[cov*sp]u +. cov*au-div!\\n[cov*i] +. ie d cov*ai-div!\\n[cov*i] \{\ +. sp .5v +. cov*ai-div!\\n[cov*i] +. nr cov*sp 1v +. \} +. el .nr cov*sp .5v +. nr cov*i +1 +.\} +.ce 0 +.. +.nr cov*fn-height 0 +.nr cov*in-fn 0 +.\" start of footnote on cover +.de cov*FS +.if \\n[cov*in-fn] \{\ +. @error nested .FS +. FE +.\} +.nr cov*in-fn 1 +.ev fn +.par@reset-env +.da cov*fn-div +.if !\\n[cov*fn-height] .ns +.ie \\n[.$] .FP "\\$1" no +.el .@LP +.. +.de @div-end!cov*fn-div +.cov*FE +.. +.\" end of footnote on cover +.de cov*FE +.ie '\\n(.z'cov*fn-div' \{\ +. br +. ev +. di +. nr cov*in-fn 0 +. nr cov*fn-height +\\n[dn] +.\} +.el .@error .FE without matching .FS +.. +.\" *************************** +.\" ******** module pg ******** +.\" *************************** +.\" Page-level formatting. +.\" > 0 if we have a footnote on the current page +.nr pg@fn-flag 0 +.nr pg@colw 0 +.nr pg@fn-colw 0 +.nr HM 1i +.nr FM 1i +.ds LF +.ds CF +.ds RF +.ds LH +.ds CH -\En[%]-\" +.ds RH +.ds pg*OH '\E*[LH]'\E*[CH]'\E*[RH]' +.ds pg*EH '\E*[LH]'\E*[CH]'\E*[RH]' +.ds pg*OF '\E*[LF]'\E*[CF]'\E*[RF]' +.ds pg*EF '\E*[LF]'\E*[CF]'\E*[RF]' +.de OH +.ds pg*\\$0 "\\$* +.. +.als EH OH +.als OF OH +.als EF OH +.aln PN % \" Lesk 1978 documents PN. +.de PT +.\" To compare the page number to 1, we need it in Arabic format. +.ds pg*saved-page-number-format \\g%\" +.af % 0 +.nr pg*page-number-in-decimal \\n% +.af % \\*[pg*saved-page-number-format] +.fam \\*[pg@titles-font-family] +.ie \\n[pg*page-number-in-decimal]=1 .if \\n[pg*P1] .tl \\*[pg*OH] +.el \{\ +. ie o .tl \\*[pg*OH] +. el .tl \\*[pg*EH] +.\} +.rm pg*saved-page-number-format +.. +.de BT +.fam \\*[pg@titles-font-family] +.ie o .tl \\*[pg*OF] +.el .tl \\*[pg*EF] +.. +.nr pg*P1 0 +.de P1 +.nr pg*P1 1 +.. +.wh -\n[FM]u pg@bottom +.wh -\n[FM]u/2u pg*footer +.nr MINGW 2n +.nr pg@ncols 1 +.de @MC +.if !'\\n(.z'' .@error-recover .MC while diversion open +.br +.ie \\n[pg@ncols]>1 .pg@super-eject +.el \{\ +. \" flush out any floating keeps +. while \\n[kp@tail]>\\n[kp@head] \{\ +. rs +. bp +. \} +.\} +.ie !\\n(.$ \{\ +. nr pg*gutw \\n[MINGW] +. nr pg@colw \\n[LL]-\\n[pg*gutw]/2u +. nr pg@ncols 2 +.\} +.el \{\ +. nr pg@colw (n;\\$1)<?\\n[LL] +. ie \\n[.$]<2 .nr pg*gutw \\n[MINGW] +. el .nr pg*gutw (n;\\$2) +. nr pg@ncols \\n[LL]-\\n[pg@colw]/(\\n[pg@colw]+\\n[pg*gutw])+1 +. ie \\n[pg@ncols]>1 \ +. nr pg*gutw \\n[LL]-(\\n[pg@ncols]*\\n[pg@colw])/(\\n[pg@ncols]-1) +. el .nr pg*gutw 0 +.\} +.DEVTAG ".mc \\n[pg@ncols] \\n[pg@colw] \\n[pg*gutw]" +.nr pg*col-num 0 +.nr pg@fn-colw \\n[pg@colw]*\\*[FR] +.par@reset +.ns +.mk pg*col-top +.. +.de 2C +.MC +.. +.de 1C +.MC \\n[LL]u +.. +.de pg@top +.\" invoked by '.wh 0' trap at the top of every page +.\" +.\" At short page lengths, footers may get truncated or recursion may +.\" occur; ensure that the page length suffices to avoid these problems. +.if (u;\\n[HM]+\\n[FM]+\n[.V]>=\\n[.p]) \{\ +. @error insufficient page length; aborting\" +. pl \\n[nl]u +. ab +.\} +.ch pg*footer -\\n[FM]u/2u +.nr pg*col-num 0 +.nr pg@fn-bottom-margin 0 +.po \\n[PO]u +.ev h +.par@reset +.sp (u;\\n[HM]/2) +.PT +.sp |\\n[HM]u +.if d HD .HD +.mk pg@header-bottom +.ev +.mk pg*col-top +.pg*start-col +.. +.de pg*start-col +.\" Handle footnote overflow before floating keeps, because the keep +.\" might contain an embedded footnote. +.fn@top-hook +.kp@top-hook +.tbl@top-hook +.ns +.. +.de pg@cs-top +.sp \\n[HM]u +.\" move pg@bottom and pg*footer out of the way +.ch pg@bottom \\n[.p]u*2u +.ch pg*footer \\n[.p]u*2u +.ns +.. +.de pg@bottom +.tbl@bottom-hook +.if \\n[pg@fn-flag] .fn@bottom-hook +.nr pg*col-num +1 +.ie \\n[pg*col-num]<\\n[pg@ncols] .pg*end-col +.el .pg*end-page +.. +.de pg*end-col +'sp |\\n[pg*col-top]u +.po (u;\\n[PO]+(\\n[pg@colw]+\\n[pg*gutw]*\\n[pg*col-num])) +.\"po +(u;\\n[pg@colw]+\\n[pg*gutw]) +.pg*start-col +.. +.de pg*end-page +.po \\n[PO]u +.\" Make sure we don't exit if there are still floats or footnotes +.\" left-over. +.ie \\n[kp@head]<\\n[kp@tail]:\\n[fn@have-overflow] \{\ +. \" Switching environments ensures that we don't get an unnecessary +. \" blank line at the top of the page. +. ev ne +' bp +. ev +.\} +.el \{\ +. \" If the text has ended and there are no more footnotes or +. \" keeps, exit. +. if \\n[pg@text-ended] .ex +. if r pg*next-number \{\ +. pn \\n[pg*next-number] +. rr pg*next-number +. if d pg*next-format \{\ +. af % \\*[pg*next-format] +. rm pg*next-format +. \} +. \} +' bp +.\} +.. +.\" pg@begin number format +.de pg@begin +.ie \\n[.$]>0 \{\ +. nr pg*next-number (;\\$1) +. ie \\n[.$]>1 .ds pg*next-format \\$2 +. el .rm pg*next-format +.\} +.el .rr pg*next-number +.pg@super-eject +.. +.\" print the footer line +.de pg*footer +.ev h +.par@reset +.BT +.ev +.. +.\" flush out any keeps or footnotes +.de pg@super-eject +.br +.if !'\\n(.z'' \{\ +. ds @msg diversion open while ejecting page\" +. as @msg " (last file seen: \\*[@last-file-seen])\" +. @error-recover \\*[@msg] +. rm @msg +.\} +.\" Make sure we stay in the end macro while there is still footnote +.\" overflow left, or floating keeps. +.while \\n[kp@tail]>\\n[kp@head]:\\n[pg@fn-flag] \{\ +. rs +. bp +.\} +.bp +.. +.nr pg@text-ended 0 +.de pg@end-text +.br +.nr pg@text-ended 1 +.pg@super-eject +.. +.em pg@end-text +.\" *************************** +.\" ******** module fn ******** +.\" *************************** +.\" Footnotes. +.nr fn@sep-dist 8p +.ev fn +.\" Round it vertically +.vs \n[fn@sep-dist]u +.nr fn@sep-dist \n[.v] +.ev +.nr fn*text-num 0 1 +.nr fn*note-num 0 1 +.nr fn*open 0 +.\" Handle initialition tasks deferred until par module is set up. +.de fn@init +.ie t .als fn@mark-start par@sup-start +.el .ds fn@mark-start [ +.ie t .als fn@mark-end par@sup-end +.el .ds fn@mark-end ] +.ds * \E*[fn@mark-start]\En+[fn*text-num]\E*[fn@mark-end] +.. +.\" normal FS +.\" FS-MARK is a user definable hook, which may be used to perform +.\" any set-up actions, (e.g. planting an HREF link as the footnote +.\" mark, in the document text); passed the same arguments as have +.\" been passed to FS itself, unless redefined, it is a no-op. +.de @FS +.FS-MARK \\$@ +.ie \\n[.$] .fn*do-FS "\\$1" no +.el \{\ +. ie \\n[fn*text-num]>\\n[fn*note-num] .fn*do-FS \\n+[fn*note-num] +. el .fn*do-FS +.\} +.. +.\" Default no-op fallback for FS-MARK +.de FS-MARK +.. +.\" Second argument of 'no' means don't embellish the first argument. +.de fn*do-FS +.if \\n[fn*open] .@error-recover nested .FS +.nr fn*open 1 +.if \\n[.u] \{\ +. \" Ensure that the first line of the footnote is on the same page +. \" as the reference. I think this is minimal. +. ev fn +. nr fn*need 1v +. ev +. ie \\n[pg@fn-flag] .nr fn*need +\\n[fn:PD] +. el .nr fn*need +\\n[fn@sep-dist] +. ne \\n[fn*need]u+\\n[.V]u>?0 +.\} +.ev fn +.par@reset-env +.fn*start-div +.par@reset +.fam \\*[fn@font-family] +.ie \\n[.$] .FP \\$@ +.el .@LP +.. +.de @FE +.ie !\\n[fn*open] .@error .FE without .FS +.el \{\ +. nr fn*open 0 +. br +. ev +. fn*end-div +.\} +.. +.nr fn@have-overflow 0 +.\" called at the top of each column +.de fn@top-hook +.nr fn*max-width 0 +.nr fn*page-bottom-pos 0-\\n[FM]-\\n[pg@fn-bottom-margin] +.ch pg@bottom \\n[fn*page-bottom-pos]u +.if \\n[fn@have-overflow] \{\ +. nr fn@have-overflow 0 +. fn*start-div +. ev nf +. fn@overflow-div +. ev +. fn*end-div +.\} +.. +.\" This is called at the bottom of the column if pg@fn-flag is set. +.de fn@bottom-hook +.nr pg@fn-flag 0 +.nr fn@have-overflow 0 +.nr fn@bottom-pos \\n[.p]-\\n[FM]-\\n[pg@fn-bottom-margin]+\\n[.v] +.ev fn +.nr fn@bottom-pos -\\n[.v] +.ev +.ie \\n[nl]+\\n[fn@sep-dist]+\n[.V]>\\n[fn@bottom-pos] \{\ +. rn fn@div fn@overflow-div +. nr fn@have-overflow 1 +.\} +.el \{\ +. if \\n[pg@ncols]>1 \ +. if \\n[fn*max-width]>\\n[pg@fn-colw] \ +. nr pg@fn-bottom-margin \\n[.p]-\\n[FM]-\\n[nl]+1v +. wh \\n[fn@bottom-pos]u fn*catch-overflow +. fn@print-sep +. ev nf +. fn@div +. rm fn@div +. ev +. if '\\n(.z'fn@overflow-div' \{\ +. di +. nr fn@have-overflow \\n[dn]>0 +. \} +. ch fn*catch-overflow +.\} +.. +.de fn*catch-overflow +.di fn@overflow-div +.. +.nr fn*embed-count 0 +.de @div-end!fn@div +.br +.if '\\n[.ev]'fn' .ev +.fn*end-div +.nr fn*open 0 +.. +.als @div-end!fn*embed-div @div-end!fn@div +.de fn*start-div +.ie '\\n(.z'' \{\ +. da fn@div +. if !\\n[pg@fn-flag] .ns +.\} +.el .di fn*embed-div +.. +.de fn*end-div +.ie '\\n(.z'fn@div' \{\ +. di +. nr fn*page-bottom-pos -\\n[dn] +. nr fn*max-width \\n[fn*max-width]>?\\n[dl] +. if !\\n[pg@fn-flag] .nr fn*page-bottom-pos -\\n[fn@sep-dist] +. nr pg@fn-flag 1 +. nr fn*page-bottom-pos \\n[nl]-\\n[.p]+\n[.V]>?\\n[fn*page-bottom-pos] +. ch pg@bottom \\n[fn*page-bottom-pos]u +.\} +.el \{\ +. ie '\\n(.z'fn*embed-div' \{\ +. di +. rn fn*embed-div fn*embed-div!\\n[fn*embed-count] +\!. fn*embed-start \\n[fn*embed-count] +. rs +' sp (u;\\n[dn]+\\n[fn@sep-dist]+\\n[.V]) +\!. fn*embed-end +. nr fn*embed-count +1 +. \} +. el \{\ +. ev fn +. @error-recover unclosed diversion within footnote +. \} +.\} +.. +.de fn*embed-start +.ie '\\n(.z'' \{\ +. fn*start-div +. ev nf +. fn*embed-div!\\$1 +. rm fn*embed-div!\\$1 +. ev +. fn*end-div +. di fn*null +.\} +.el \{\ +\!. fn*embed-start \\$1 +. rs +.\} +.. +.de fn*embed-end +.ie '\\n(.z'fn*null' \{\ +. di +. rm fn*null +.\} +.el \!.fn*embed-end +.. +.\" It's important that fn@print-sep use up exactly fn@sep-dist vertical +.\" space. +.de fn@print-sep +.ev fn +.in 0 +.vs \\n[fn@sep-dist]u +\D'l 1i 0' +.br +.ev +.. +.\" *************************** +.\" ******** module kp ******** +.\" *************************** +.\" Keeps. +.de KS +.br +.di kp@div +.. +.de KF +.if !'\\n(.z'' .@error-recover .KF while diversion open +.di kp@fdiv +.ev k +.par@reset-env +.par@reset +.. +.de KE +.ie '\\n(.z'kp@div' .kp*end +.el \{\ +. ie '\\n(.z'kp@fdiv' .kp*fend +. el .@error .KE without .KS or .KF +.\} +.. +.de @div-end!kp@div +.kp*end +.. +.de @div-end!kp@fdiv +.kp*fend +.. +.de kp*need +.ie '\\n(.z'' .ds@need \\$1 +.el \!.kp*need \\$1 +.. +.\" end non-floating keep +.de kp*end +.br +.di +.kp*need \\n[dn] +.ev nf +.kp@div +.ev +.rm kp@div +.. +.\" Floating keeps. +.nr kp@head 0 +.nr kp@tail 0 +.\" end floating keep +.de kp*fend +.br +.ev +.di +.ie \\n[.t]-(\\n[.k]>0*1v)>\\n[dn] \{\ +. br +. ev nf +. kp@fdiv +. rm kp@fdiv +. ev +.\} +.el \{\ +. rn kp@fdiv kp@div!\\n[kp@tail] +. nr kp*ht!\\n[kp@tail] 0\\n[dn] +. nr kp@tail +1 +.\} +.. +.\" top of page processing for KF +.nr kp*doing-top 0 +.de kp@top-hook +.if !\\n[kp*doing-top] \{\ +. nr kp*doing-top 1 +. kp*do-top +. nr kp*doing-top 0 +.\} +.. +.de kp*do-top +.\" If the first keep won't fit, only force it out if we haven't had a +.\" footnote and we're at the top of the page. +.nr kp*force \\n[pg@fn-flag]=0&(\\n[nl]<=\\n[pg@header-bottom]) +.nr kp*fits 1 +.while \\n[kp@tail]>\\n[kp@head]&\\n[kp*fits] \{\ +. ie \\n[.t]>\\n[kp*ht!\\n[kp@head]]:\\n[kp*force] \{\ +. nr kp*force 0 +. \" It's important to advance kp@head before bringing +. \" back the keep, so that if the last line of the +. \" last keep springs the bottom of page trap, a new +. \" page will not be started unnecessarily. +. rn kp@div!\\n[kp@head] kp*temp +. nr kp@head +1 +. ev nf +. kp*temp +. ev +. rm kp*temp +. \} +. el .nr kp*fits 0 +.\} +.. +.\" *************************** +.\" ******** module ds ******** +.\" *************************** +.\" Displays and non-floating keeps. +.de DE +.ds*end!\\n[\\n[.ev]:ds-type] +.nr \\n[.ev]:ds-type 0 +.ns +.. +.de ds@auto-end +.if \\n[\\n[.ev]:ds-type] \{\ +. @error automatically terminating display +. DE +.\} +.. +.de @div-end!ds*div +.ie \\n[\\n[.ev]:ds-type] .DE +.el .ds*end!2 +.. +.de ds*end!0 +.@error .DE without .DS, .ID, .CD, .LD, .RD, or .BD +.. +.de LD +.br +.nr \\n[.ev]:ds-type 1 +.par@reset +.nf +.sp \\n[DD]u +.. +.de ID +.LD +.ie \\n[.$] .in +(n;\\$1) +.el .in +\\n[DI]u +.. +.de CD +.LD +.ce 9999 +.. +.de RD +.LD +.rj 9999 +.. +.de ds*common-end +.par@reset +.sp \\n[DD]u +.. +.als ds*end!1 ds*common-end +.de BD +.LD +.nr \\n[.ev]:ds-type 2 +.di ds*div +.. +.de ds*end!2 +.br +.ie '\\n(.z'ds*div' \{\ +. di +. nf +. in (u;\\n[.l]-\\n[dl]/2>?0) +. ds*div +. rm ds*div +. ds*common-end +.\} +.el .@error-recover mismatched .DE +.. +.de DS +.if '\\n(.z'ds*div' .@error-recover cannot begin display within display +.nr ds*badarg 0 +.di ds*div +.ie '\\$1'B' \{\ +. LD +. nr \\n[.ev]:ds-type 4 +.\} +.el \{\ +. ie '\\$1'L' .LD +. el \{\ +. ie '\\$1'C' .CD +. el \{\ +. ie '\\$1'R' .RD +. el \{\ +. ie '\\$1'I' .ID \\$2 +. el \{\ +. ie '\\$1'' .ID +. el .nr ds*badarg 1 +. \} +. \} +. \} +. \} +. ie \\n[ds*badarg] \{\ +. ds ds*msg unrecognized argument '\\$1' to .\\$0;\" +. as ds*msg " did you mean '.\\$0 I \\$1'?\" +. @error \\*[ds*msg] +. rm ds*msg +. di +. \} +. el .nr \\n[.ev]:ds-type 3 +.\} +.rr ds*badarg +.. +.de ds@need +.if '\\n(.z'' \{\ +. while \\n[.t]<=(\\$1)&(\\n[nl]>\\n[pg@header-bottom]) \{\ +. rs +' sp \\n[.t]u +. \} +.\} +.. +.de ds*end!3 +.br +.ie '\\n(.z'ds*div' \{\ +. di +. ds@need \\n[dn] +. ev nf +. ds*div +. ev +. rm ds*div +. ds*common-end +.\} +.el .@error-recover mismatched .DE +.. +.de ds*end!4 +.ie '\\n(.z'ds*div' \{\ +. br +. di +. nf +. in (u;\\n[.l]-\\n[dl]/2>?0) +. ds@need \\n[dn] +. ds*div +. rm ds*div +. ds*common-end +.\} +.el .@error-recover mismatched .DE +.. +.\" **************************** +.\" ******** module par ******** +.\" **************************** +.\" Paragraph-level formatting. +.\" Load time initialization. +.de par@load-init +.\" PS and VS might have been set on the command line +.if !rPS .nr PS 10 +.if !rLL .nr LL 6.5i +.ll \\n[LL]u +.\" don't set LT so that it can be defaulted from LL +.ie rLT .lt \\n[LT]u +.el .lt \\n[LL]u +.ie (\\n[PS] >= 1000) \ +. ps (\\n[PS]z / 1000u) +.el \ +. ps \\n[PS] +.\" don't set VS so that it can be defaulted from PS +.ie rVS \{\ +. ie (\\n[VS] >= 1000) \ +. par*vs "(\\n[VS]p / 1000u)" +. el \ +. par*vs \\n[VS] +.\} +.el \{\ +. ie (\\n[PS] >= 1000) \ +. par*vs "((\\n[PS]p / 1000u) + 2p)" +. el \ +. par*vs "(\\n[PS] + 2)" +.\} +.if dFAM .fam \\*[FAM] +.if !rHY .nr HY 6 +.hy \\n[HY] +.TA +.CHECK-FOOTER-AND-KEEP +.. +.de par*vs +.\" If it's too big to be in points, treat it as units. +.ie (p;\\$1)>=40p .vs (u;\\$1) +.el .vs (p;\\$1) +.. +.de par@ab-indent +.nr 0:li (u;\\n[LL]/12) +.nr 0:ri \\n[0:li] +.. +.de par*env-init +.aln \\n[.ev]:PS PS +.aln \\n[.ev]:VS VS +.aln \\n[.ev]:LL LL +.aln \\n[.ev]:MCLL LL +.aln \\n[.ev]:LT LT +.aln \\n[.ev]:MCLT LT +.aln \\n[.ev]:PI PI +.aln \\n[.ev]:PD PD +.ad \\n[par*adj] +.par@reset-env +.. +.\" happens when the first page begins +.de par@init +.if !rLT .nr LT \\n[LL] +.if !rFL .nr FL \\n[LL]*\\*[FR] +.if !rVS \{\ +. ie (\\n[PS] >= 1000) \ +. nr VS (\\n[PS] + 2000) +. el \ +. nr VS (\\n[PS] + 2) +.\} +.if !rDI .nr DI .5i +.if !rFPS \{\ +. ie (\\n[PS] >= 1000) \ +. nr FPS (\\n[PS] - 2000) +. el \ +. nr FPS (\\n[PS] - 2) +.\} +.if !rFVS \{\ +. ie (\\n[FPS] >= 1000) \ +. nr FVS (\\n[FPS] + 2000) +. el \ +. nr FVS (\\n[FPS] + 2) +.\} +.\" don't change environment 0 +.ev h +.ie (\\n[PS] >= 1000) \ +. ps (\\n[PS]z / 1000u) +.el \ +. ps \\n[PS] +.if !rQI .nr QI 5n +.if !rPI .nr PI 5n +.ie (\\n[VS] >= 1000) \ +. par*vs "(\\n[VS]p / 1000u)" +.el \ +. par*vs \\n[VS] +.if !rPD .nr PD .3v>?\n(.V +.if !rDD .nr DD .5v>?\n(.V +.if !rFI .nr FI 2n +.if !rFPD .nr FPD \\n[PD]/2 +.ev +.if !dFAM .ds FAM \\n[.fam] +.ds pg@titles-font-family \\*[FAM] +.ds fn@font-family \\*[FAM] +.nr par*adj \\n[.j] +.par*env-init +.ev h +.par*env-init +.ev +.ev fn +.par*env-init +.ev +.ev k +.par*env-init +.ev +.aln 0:MCLL pg@colw +.aln 0:MCLT pg@colw +.aln k:MCLL pg@colw +.aln k:MCLT pg@colw +.aln fn:PS FPS +.aln fn:VS FVS +.aln fn:LL FL +.aln fn:LT FL +.aln fn:PI FI +.aln fn:PD FPD +.aln fn:MCLL pg@fn-colw +.aln fn:MCLT pg@fn-colw +.. +.de par@reset-env +.nr \\n[.ev]:il 0 +.nr \\n[.ev]:li 0 +.nr \\n[.ev]:ri 0 +.nr \\n[.ev]:ai \\n[\\n[.ev]:PI] +.nr \\n[.ev]:pli 0 +.nr \\n[.ev]:pri 0 +.nr \\n[.ev]:ds-type 0 +.. +.\" par@reset +.de par@reset +.br +.if \\n[s@devtag-needs-end-of-title] .DEVTAG-EO-TL +.nr s@devtag-needs-end-of-title 0 +.if \\n[s@devtag-needs-end-of-heading] .DEVTAG-EO-H +.nr s@devtag-needs-end-of-heading 0 +.ce 0 +.rj 0 +.ul 0 +.fi +.ft 1 +.ie '\\n[.ev]'fn' .fam \\*[fn@font-family] +.el .fam \\*[FAM] +.ie (\\n[\\n[.ev]:PS] >= 1000) \ +. ps (\\n[\\n[.ev]:PS]z / 1000u) +.el \ +. ps \\n[\\n[.ev]:PS] +.ie (\\n[\\n[.ev]:VS] >= 1000) \ +. par*vs "(\\n[\\n[.ev]:VS]p / 1000u)" +.el \ +. par*vs \\n[\\n[.ev]:VS] +.ls 1 +.if !'\\$1'' .nr \\n[.ev]:pli (n;\\$1) +.if !'\\$2'' .nr \\n[.ev]:pri (n;\\$2) +.ie \\n[pg@ncols]>1 \{\ +. ll (u;\\n[\\n[.ev]:MCLL]-\\n[\\n[.ev]:ri]-\\n[\\n[.ev]:pri]) +. lt \\n[\\n[.ev]:MCLT]u +.\} +.el \{\ +. ll (u;\\n[\\n[.ev]:LL]-\\n[\\n[.ev]:ri]-\\n[\\n[.ev]:pri]) +. lt \\n[\\n[.ev]:LT]u +.\} +.in (u;\\n[\\n[.ev]:li]+\\n[\\n[.ev]:pli]) +.TA +.hy \\n[HY] +.. +.\" This can be redefined by the user. +.de TA +.ta T 5n +.. +.\" \n[PORPHANS] sets number of initial lines of any paragraph, +.\" which must be kept together, without any included page break. +.\" Initialise to reproduce original behaviour; user may adjust it. +.if !rPORPHANS .nr PORPHANS 1 +. +.de par*start +.ds@auto-end +.par@reset \\$1 \\$2 +.sp \\n[\\n[.ev]:PD]u +.ne \\n[PORPHANS]v+\\n(.Vu +.. +.de par@finish +.nr \\n[.ev]:ai \\n[\\n[.ev]:PI] +.nr \\n[.ev]:pli 0 +.nr \\n[.ev]:pri 0 +.par@reset 0 0 +.. +.als @RT par@finish +.\" normal LP +.de @LP +.par*start 0 0 +.nr \\n[.ev]:ai \\n[\\n[.ev]:PI] +.. +.de @PP +.par*start 0 0 +.nr \\n[.ev]:ai \\n[\\n[.ev]:PI] +.if !'\*(.T'html' .ti +\\n[\\n[.ev]:ai]u +.. +.de @QP +.nr \\n[.ev]:ai \\n[\\n[.ev]:PI] +.par*start \\n[QI]u \\n[QI]u +.. +.de @XP +.par*start \\n[\\n[.ev]:PI]u 0 +.ti -\\n[\\n[.ev]:PI]u +.. +.de @IP +.ie \\n[.$]>1 \{\ +.par*start \\$2 0 +.nr \\n[.ev]:ai \\n[\\n[.ev]:pli] +.\} +.el .par*start \\n[\\n[.ev]:ai]u 0 +.if !'\\$1'' \{\ +. \" Divert the label so as to freeze any spaces. +. di par*label +. par*push-tag-env +\&\\$1 +. par*pop-tag-env +. di +. chop par*label +. ti -\\n[\\n[.ev]:ai]u +. ie \\n[dl]+1n<=\\n[\\n[.ev]:ai] \{\ +. DEVTAG-COL 1 +\\*[par*label]\h'|\\n[\\n[.ev]:ai]u'\c +. DEVTAG-COL 2 +. \} +. el \{\ +. DEVTAG-COL 1 +\\*[par*label] +. DEVTAG-COL-NEXT 2 +. br +. \} +. rm par*label +.\} +.. +.\" We don't want margin characters to be attached when we divert +.\" the tag. Since there's no way to save and restore the current +.\" margin character, we have to switch to a new environment, taking +.\" what we need of the old environment with us. +.de par*push-tag-env +.nr par*saved-font \\n[.f] +.nr par*saved-size \\n[.s]z +.nr par*saved-ss \\n[.ss] +.nr par*saved-sss \\n[.sss] +.ds par*saved-fam \\n[.fam] +.ev par +.nf +.TA +.ft \\n[par*saved-font] +.ps \\n[par*saved-size]u +.ss \\n[par*saved-ss] \\n[par*saved-sss] +.fam \\*[par*saved-fam] +.. +.de par*pop-tag-env +.ev +.. +.de @RS +.br +.nr \\n[.ev]:li!\\n[\\n[.ev]:il] \\n[\\n[.ev]:li] +.nr \\n[.ev]:ri!\\n[\\n[.ev]:il] \\n[\\n[.ev]:ri] +.nr \\n[.ev]:ai!\\n[\\n[.ev]:il] \\n[\\n[.ev]:ai] +.nr \\n[.ev]:pli!\\n[\\n[.ev]:il] \\n[\\n[.ev]:pli] +.nr \\n[.ev]:pri!\\n[\\n[.ev]:il] \\n[\\n[.ev]:pri] +.nr \\n[.ev]:il +1 +.nr \\n[.ev]:li +\\n[\\n[.ev]:ai] +.nr \\n[.ev]:ai \\n[\\n[.ev]:PI] +.par@reset +.. +.de @RE +.br +.ie \\n[\\n[.ev]:il] \{\ +. nr \\n[.ev]:il -1 +. nr \\n[.ev]:ai \\n[\\n[.ev]:ai!\\n[\\n[.ev]:il]] +. nr \\n[.ev]:li \\n[\\n[.ev]:li!\\n[\\n[.ev]:il]] +. nr \\n[.ev]:ri \\n[\\n[.ev]:ri!\\n[\\n[.ev]:il]] +. nr \\n[.ev]:pli \\n[\\n[.ev]:pli!\\n[\\n[.ev]:il]] +. nr \\n[.ev]:pri \\n[\\n[.ev]:pri!\\n[\\n[.ev]:il]] +.\} +.el .@error unbalanced .\\$0 +.ie '\\$0'QE' .par*start 0 0 +.el .par@reset +.. +.de @QS +.br +.nr \\n[.ev]:li!\\n[\\n[.ev]:il] \\n[\\n[.ev]:li] +.nr \\n[.ev]:ri!\\n[\\n[.ev]:il] \\n[\\n[.ev]:ri] +.nr \\n[.ev]:ai!\\n[\\n[.ev]:il] \\n[\\n[.ev]:ai] +.nr \\n[.ev]:pli!\\n[\\n[.ev]:il] \\n[\\n[.ev]:pli] +.nr \\n[.ev]:pri!\\n[\\n[.ev]:il] \\n[\\n[.ev]:pri] +.nr \\n[.ev]:il +1 +.nr \\n[.ev]:li +\\n[QI] +.nr \\n[.ev]:ri +\\n[QI] +.nr \\n[.ev]:ai \\n[\\n[.ev]:PI] +.par*start 0 0 +.. +.als @QE @RE +.\" start boxed text +.de B1 +.br +.HTML-IMAGE +.di par*box-div +.nr \\n[.ev]:li +1n +.nr \\n[.ev]:ri +1n +.nr par*box-in \\n[.in] +.\" remember what 1n is, just in case the point size changes +.nr par*box-n 1n +.in +1n +.ll -1n +.lt -1n +.ti \\n[par*box-in]u+1n +.. +.de @div-end!par*box-div +.B2 +.. +.\" end boxed text +.\" Postpone the drawing of the box until we're in the top-level +.\" diversion, in case there's a footnote inside the box. +.de B2 +.ie '\\n(.z'par*box-div' \{\ +. br +. if \n[.V]>.25m .sp +. di +. if \n[.V]>.25m .sp +. ds@need \\n[dn] +. par*box-mark-top +. ev nf +. par*box-div +. ev +. nr \\n[.ev]:ri -\\n[par*box-n] +. nr \\n[.ev]:li -\\n[par*box-n] +. in -\\n[par*box-n]u +. ll +\\n[par*box-n]u +. lt +\\n[par*box-n]u +. par*box-draw \\n[.i]u \\n[.l]u-(\\n[.H]u==1n*1n) +.\} +.el .@error .B2 without .B1 +.HTML-IMAGE-END +.. +.de par*box-mark-top +.ie '\\n[.z]'' \{\ +. rs +. mk par*box-top +.\} +.el \!.par*box-mark-top +.. +.de par*box-draw +.ie '\\n[.z]'' \{\ +. nr par*box-in \\n[.i] +. nr par*box-ll \\n[.l] +. nr par*box-vpt \\n[.vpt] +. nr par*box-ad \\n[.j] +. ad l +. vpt 0 +. in \\$1 +. ll \\$2 +\v'-1v+.25m'\ +\D'l (u;\\n[.l]-\\n[.i]) 0'\ +\D'l 0 |\\n[par*box-top]u'\ +\D'l -(u;\\n[.l]-\\n[.i]) 0'\ +\D'l 0 -|\\n[par*box-top]u' +. br +. sp -1 +. in \\n[par*box-in]u +. ll \\n[par*box-ll]u +. vpt \\n[par*box-vpt] +. ad \\n[par*box-ad] +.\} +.el \!.par*box-draw \\$1 \\$2 +.. +.\" \n[HORPHANS] sets how many lines of the following paragraph must be +.\" kept together, with a preceding section header. Initialise it, +.\" to reproduce original behaviour; user may change it. +.if !rHORPHANS .nr HORPHANS 1 +. +.\" \n[GROWPS] and \n[PSINCR] cause auto-increment of header point size. +.\" Initialise them, so they have no effect, unless explicitly set by +.\" the user. +.if !rGROWPS .nr GROWPS 0 +.if !rPSINCR .nr PSINCR 1p +. +.de SH-NO-TAG +.par@finish +.\" Keep the heading and the first few lines of the next paragraph +.\" together. (\n[HORPHANS] defines "first few" -- default = 1; user +.\" may redefine it). +.nr sh*minvs \\n[HORPHANS]v +.if \\n[sh*psincr]<0 .nr sh*psincr 0 +.ie \\n(VS<1000 .par*vs \\n(VSp+\\n[sh*psincr]u +.el .par*vs \\n(VSp/1000u+\\n[sh*psincr]u +.ne 2v+\\n[sh*minvs]u+\\n[\\n[.ev]:PD]u+\\n(.Vu +.\" Adjust point size for heading text, as specified by \n[GROWPS] and +.\" \n[PSINCR]. +.ie \\n(PS<1000 .ps \\n(PS+\\n[sh*psincr]u +.el .ps \\n(PSz/1000u+\\n[sh*psincr]u +.sp 1 +.ft B +.. +.de @SH +.\" Standard ms implementation does not expect an argument, +.\" but allow ".SH n" to make heading point size match ".NH n", +.\" for same "n", when \n[GROWPS] and \n[PSINCR] are set. +. nr sh*psincr 0 +. if 0\\$1>0 .nr sh*psincr (\\n[GROWPS]-0\\$1)*\\n[PSINCR] +. SH-NO-TAG +. DEVTAG-SH 1 +. if '\*(.T'html' .nr s@devtag-needs-end-of-heading 1 +.. +.\" TL, AU, and AI are aliased to these in cov*ab-init. +.de par@TL +.par@finish +.sp 1 +.ft B +.ps +2 +.vs +3p +.ce 9999 +.DEVTAG-TL +.nr s@devtag-needs-end-of-title 1 +.. +.de par@AU +.par@finish +.sp 1 +.ft I +.ce 9999 +.. +.de par@AI +.par@finish +.sp .5 +.ce 9999 +.. +.\" In paragraph macros. +.de NL +.if \En[.$] .@warning arguments to .NL ignored +.ie (\\n[\\n[.ev]:PS] >= 1000) \ +. ps (\\n[\\n[.ev]:PS]z / 1000u) +.el \ +. ps \\n[\\n[.ev]:PS] +.. +.de SM +.if \En[.$] .@warning arguments to .SM ignored +.ps -2 +.. +.de LG +.if \En[.$] .@warning arguments to .LG ignored +.ps +2 +.. +.\" par*define-font-macro macro font apply-italic-corrections +.de par*define-font-macro +.de \\$1 +.ds par*lic \" empty +.ds par*ic \" empty +.if \\n[.$]>2 \{\ +. as par*lic \,\" +. as par*ic \/\" +.\} +.if \En[.$]>3 .@warning excess arguments to .\\$1 ignored +.ie \En[.$] \{\ +. nr par*prev-font \En[.f] +\&\E$3\E*[par*lic]\f[\\$2]\E$1\f[\En[par*prev-font]]\E*[par*ic]\E$2 +.\} +.el .ft \\$2 +\\.. +.. +.par*define-font-macro R R +.par*define-font-macro B B +.par*define-font-macro I I yes +.par*define-font-macro BI BI yes +.ie n .par*define-font-macro CW R +.el .par*define-font-macro CW CR +.\" underline a word +.de UL +.if \En[.$]>2 .@warning excess arguments to .UL ignored +. ie t .do nop \Z'\\$1'\v'.25m'\D'l \w'\\$1'u 0'\v'-.25m'\\$2 +. el \(ul\\$1\(ul\\$2 +.. +.\" box a word +.de BX +.if \En[.$]>1 .@warning excess arguments to .BX ignored +.nr par*bxw \w'\\$1' +.ie t \{\ +.nr par*bxw +.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'\\$1'\h'\\n[par*bxw]u' +.\} +.el \m[black]\M[white]\Z'\\$1'\h'\\n[par*bxw]u'\m[]\M[] +.. +.\" superscript +.ds par@sup-start \v'-.9m\s'\En[.s]*7u/10u'+.7m' +.als { par@sup-start +.ds par@sup-end \v'-.7m\s0+.9m' +.als } par@sup-end +.\" subscript +.ds par@sub-start \v'+.3m\s'\En[.s]*7u/10u'-.1m' +.als < par@sub-start +.ds par@sub-end \v'+.1m\s0-.3m' +.als > par@sub-end +.\" footnote paragraphs +.fn@init +.\" FR is the ratio of footnote (horizontal) length to the line length +.ds FR 11/12 +.\" FF is the footnote format +.nr FF 0 +.\" This can be redefined. It gets a second argument of 'no' if the +.\" first argument was supplied by the user, rather than automatically. +.de FP +.br +.if !d par*fp!\\n[FF] \{\ +. @error unknown footnote format '\\n[FF]' +. nr FF 0 +.\} +.ie '\\$2'no' .par*fp!\\n[FF]-no "\\$1" +.el .par*fp!\\n[FF] "\\$1" +.. +.de par*fp!0 +.@PP +\&\\*[fn@mark-start]\\$1\\*[fn@mark-end]\ \c +.. +.de par*fp!0-no +.@PP +\&\\$1\ \c +.. +.de par*fp!1 +.@PP +\&\\$1.\ \c +.. +.de par*fp!1-no +.@PP +\&\\$1\ \c +.. +.de par*fp!2 +.@LP +\&\\$1.\ \c +.. +.de par*fp!2-no +.@LP +\&\\$1\ \c +.. +.de par*fp!3 +.@IP "\\$1." (u;\\n[\\n[.ev]:PI]*2) +.. +.de par*fp!3-no +.@IP "\\$1" (u;\\n[\\n[.ev]:PI]*2) +.. +.\" *************************** +.\" ******** module nh ******** +.\" *************************** +.\" Numbered headings. +.\" nh*hl is the level of the last heading +.nr nh*hl 0 +.\" SN-DOT and SN-NO-DOT represent the section number of +.\" the current heading, with and without a terminating dot. +.ds SN-DOT +.ds SN-NO-DOT +.\" SN-STYLE sets the statement numbering style used in headings +.\" (either SN-DOT or SN-NO-DOT); for backward compatibility with +.\" earlier ms versions, the default is SN-DOT +.als SN-STYLE SN-DOT +.\" Also for backward compatibility, let SN represent SN-DOT. +.als SN SN-DOT +.\" numbered heading +.de @NH +.ie '\\$1'S' \{\ +. shift +. nr nh*hl 0 +. while \\n[.$] \{\ +. nr nh*hl +1 +. nr H\\n[nh*hl] 0\\$1 +. shift +. \} +. if !\\n[nh*hl] \{\ +. nr H1 1 +. nr nh*hl 1 +. @error missing arguments to .NH S +. \} +.\} +.el \{\ +. nr nh*ohl \\n[nh*hl] +. ie \\n[.$] \{\ +. nr nh*hl 0\\$1 +. ie \\n[nh*hl]<=0 \{\ +. nr nh*ohl 0 +. nr nh*hl 1 +. \} +. el \{\ +. if \\n[nh*hl]-\\n[nh*ohl]>1 \{\ +. ds nh*msg .NH \\n[nh*ohl] followed by\" +. as nh*msg " .NH \\n[nh*hl]\" +. @warning \\*[nh*msg] +. rm nh*msg +. \} +. \} +. \} +. el .nr nh*hl 1 +. while \\n[nh*hl]>\\n[nh*ohl] \{\ +. nr nh*ohl +1 +. nr H\\n[nh*ohl] 0 +. \} +. nr H\\n[nh*hl] +1 +.\} +.ds SN-NO-DOT \\n(H1 +.nr nh*i 1 +.while \\n[nh*i]<\\n[nh*hl] \{\ +. nr nh*i +1 +. as SN-NO-DOT .\\n[H\\n[nh*i]] +.\} +.ds SN-DOT \\*[SN-NO-DOT]. +.nr sh*psincr (\\n[GROWPS]-\\n[nh*hl])*\\n[PSINCR] +.SH-NO-TAG +.DEVTAG-NH "\\$1" +.if '\*(.T'html' .nr s@devtag-needs-end-of-heading 1 +\\*[SN-STYLE] +.. +.\" **************************** +.\" ******** module toc ******** +.\" **************************** +.\" Table of contents generation. +.de @XS +.da toc*div +.ev h +.ie \\n[.$] .XA "\\$1" +.el .XA +.. +.de @div-end!toc*div +.XE +.. +.de XA +.ie '\\n(.z'toc*div' \{\ +. if d toc*num .toc*end-entry +. ie \\n[.$] \{\ +. ie '\\$1'no' .ds toc*num \" empty +. el .ds toc*num "\\$1 +. \} +. el .ds toc*num \\n[%]\" +. br +. par@reset +. na +. in (n;0\\$2) +.\} +.el .@error .XA without .XS +.. +.de XE +.ie '\\n(.z'toc*div' \{\ +. if d toc*num .toc*end-entry +. ev +. di +.\} +.el .@error .XE without .XS +.. +.\" Rudimentary integration of TOC generation with SH and NH; +.\" (called by XH and XN respectively, to capture heading text +.\" for reuse as TOC entry); may be redefined, to achieve more +.\" sophisticated TOC layout effects. +.\" +.\" No-op initializers are called by XH and XN respectively, +.\" before XH-UPDATE-TOC is called; if XH-UPDATE-TOC has been +.\" redefined, then it may also be necessary to redefine either, +.\" or both of these, to perform any initialization specific +.\" to use after SH and NH respectively. +.de XH-INIT de +.de XN-INIT +.. +.de XH-UPDATE-TOC +.\" .XH-UPDATE-TOC <outline-level> <text> +.XS +.in (\\$1u - 1u * 2n) +.shift +\&\\$* +.XE +.. +.\" Rudimentary integration hook, to be called (nominally) +.\" after SH, but acceptable in any body-text context +.de XH de +.\" .XH <outline-level> <text> +.rn XH-REPLACEMENT XH +.XH \\$@ +.de XH-REPLACEMENT +.XH-INIT +.XH-UPDATE-TOC \\$@ +.shift +\&\\$* +.. +.\" Rudimentary integration hook, to be called after NH +.de XN de +.\" .XN <text> +.ie \\n[nh*hl] .toc*xn-init \\$@ +.el \{\ +. @error .XN is not allowed before .NH +. nop \&\\$* +.\} +.de toc*xn-init de +.rn XN-REPLACEMENT XN +.XN \\$@ +.rm \\$0 +.de XN-REPLACEMENT +.XN-INIT +.XH-UPDATE-TOC \\n[nh*hl] \\$@ +\&\\$* +.. +.de toc*end-entry +.if !'\\*[toc*num]'' \\a\\t\\*[toc*num] +.br +.rm toc*num +.. +.de PX +.1C +.if !'\\$1'no' \{\ +. ce 1 +. ie (\\n[PS] >= 1000) \ +. ps ((\\n[PS]z / 1000u) + 2z) +. el \ +. ps \\n[PS]+2 +. ft B +\\*[TOC] +. ft +. ps +.\} +.nf +.if !r TC-MARGIN .nr TC-MARGIN \w'000' +.if !c \[TC-LEADER] .char \[TC-LEADER] .\h'1m' +.ta (u;\\n[.l]-\\n[.i]-\\n[TC-MARGIN]) (u;\\n[.l]-\\n[.i])R +.lc \[TC-LEADER] +.sp 2 +.toc*div +.par@reset +.. +.\" print the table of contents on page i +.de TC +.P1 +.pg@begin 1 i +.PX \\$1 +.. +.\" **************************** +.\" ******** module eqn ******** +.\" **************************** +.\" Eqn support. +.de EQ +.. +.de EN +.. +.de @EQ +.if \\n[tbl@within-table] \ +. @error .EQ is not allowed within a .TS/.TE table +.br +.ds eqn*num "\\$2 +.ie '\\$1'L' .nr eqn*type 0 +.el \{\ +. ie '\\$1'I' .nr eqn*type 1 +. el \{\ +. nr eqn*type 2 +. if !'\\$1'C' .ds eqn*num "\\$1 +. \} +.\} +.di eqn*div +.in 0 +.if '\*(.T'html' \{\ +. nr eqn*ll \\n[.l] +. ll 1000n +.\} +.if \\n[eqn*type]=0 .EQN-HTML-IMAGE-LEFT +.if \\n[eqn*type]=1 \{\ +. if '\*(.T'html' .RS +.EQN-HTML-IMAGE-INLINE +.\} +.if \\n[eqn*type]=2 .EQN-HTML-IMAGE +.nf +.. +.de @div-end!eqn*div +.@EN +.. +.\" Note that geqn mark and lineup work correctly in centered equations. +.de @EN +.ie !'\\n(.z'eqn*div' .@error-recover mismatched .EN +.el \{\ +. br +. di +. nr eqn*have-num 0 +. if !'\\*[eqn*num]'' .nr eqn*have-num 1 +. ie \\n[dl]:\\n[eqn*have-num] \{\ +. sp \\n[DD]u +. ns +. par@reset +. ds eqn*tabs \\n[.tabs] +. nf +. ie \\n[dl] \{\ +.\" XXX: This really should not be necessary and +.\" indicates that there is extra space creeping +.\" into an equation when ps4html is enabled. +. ie r ps4html .ds@need \\n[dn]u-1v+\n[.V]u+1i +. el .ds@need \\n[dn]u-1v+\n[.V]u +. chop eqn*div +. ie \\n[eqn*type]=0 \{\ +. ta (u;\\n[.l]-\\n[.i])R +\\*[eqn*div]\t\\*[eqn*num] +. \} +. el \{\ +. ie \\n[eqn*type]=1 .ta \\n[DI]u \ +(u;\\n[.l]-\\n[.i])R +. el .ta (u;\\n[.l]-\\n[.i]/2)C \ +(u;\\n[.l]-\\n[.i])R +\t\\*[eqn*div]\t\\*[eqn*num] +. \} +. \} +. el \{\ +. ta (u;\\n[.l]-\\n[.i])R +\t\\*[eqn*num] +. \} +.\". if !'\*(.T'html' .sp \\n[DD]u +. sp \\n[DD]u +. ns +. ta \\*[eqn*tabs] +. \} +. el \{\ +.\" must terminate empty equations in html and ps4html as they contain +.\" the EQN-HTML-IMAGE-END suppression nodes +. if \\n[dl] .chop eqn*div +. if '\*(.T'html' \\*[eqn*div] +. if r ps4html \\*[eqn*div] +. \} +. if !'\*(.T'html' .fi +. if \\n[eqn*type]=0 .EQN-HTML-IMAGE-END +. if \\n[eqn*type]=1 \{\ +. EQN-HTML-IMAGE-END +. if '\*(.T'html' .RE +. \} +. if \\n[eqn*type]=2 .EQN-HTML-IMAGE-END +. if '\*(.T'html' \ +. ll \\n[eqn*ll]u +.\} +.. +. +.\" **************************** +.\" ******** module tbl ******** +.\" **************************** +.\" Tbl support. +.nr tbl@within-table 0 +.nr tbl*have-header 0 +.\" This gets called if TS occurs before the first paragraph. +.de TS +.LP +.\" cov*ab-init, called by LP, aliases TS to @TS. +\\*[TS]\\ +.. +.de @TS +.nr tbl@within-table 1 +.sp \\n[DD]u +.if '\\$1'H' \{\ +. ds tbl*stem .TS H table inside\" +. ie '\\n[.z]'kp@div' .@warning \\*[tbl*stem] .KS/.KE keep +. el .if '\\n[.z]'kp@fdiv' \ +. @warning \\*[tbl*stem] .KF/.KE floating keep +. rm tbl*stem +. di tbl*header-div +.\} +.if '\*(.T'html' \{\ +. nr tbl*ll \\n[.l] +. ll 1000n +.\} +.HTML-IMAGE +.. +.de tbl@top-hook +.if \\n[tbl*have-header] \{\ +. ie \\n[.t]-\\n[tbl*header-ht]-1v .tbl*print-header +. el .sp \\n[.t]u +.\} +.. +.de tbl*print-header +.ev nf +.tbl*header-div +.ev +.mk #T +.. +.de TH +.ie '\\n[.z]'tbl*header-div' \{\ +. nr T. 0 +. T# +. br +. di +. \" A table with repeating headings requires enough room for them +. \" and then at least one more vee for a row of data. +. ie \\n[dn]+1v>=(\\n[.p]-\\n[FM]-\\n[HM]) \{\ +. ds tbl*err .TH repeating table heading(s) do not fit in +. as tbl*err " page area; formatting only once +. @error \\*[tbl*err] +. rm tbl*err +. ds@need \\n[dn] +. tbl*print-header +. \} +. el \{\ +. nr tbl*header-ht \\n[dn] +. ds@need \\n[dn]u+1v +. tbl*print-header +. nr tbl*have-header 1 +. \} +.\} +.el .@error-recover .TH without .TS H +.. +.de @div-end!tbl*header-div +.TH +.TE +.. +.de TE +.ie '\\n(.z'tbl*header-div' .@error-recover .TS H but no .TH before .TE +.el \{\ +. nr tbl*have-header 0 +. if !'\*(.T'html' \{\ +. sp \\n[DD]u +. ns +. \} +.\} +.HTML-IMAGE-END +.if '\*(.T'html' \ +. ll \\n[tbl*ll]u +.\" reset tabs +.TA +.nr tbl@within-table 0 +.. +.de tbl@bottom-hook +.if \\n[tbl*have-header] \{\ +. nr T. 1 +. T# +.\} +.. +.de T& +.. +.\" **************************** +.\" ******** module pic ******** +.\" **************************** +.\" Pic support. +.\" This gets called if PS occurs before the first paragraph. +.de PS +.LP +.\" cov*ab-init, called by LP, aliases PS to @PS. +\\*[PS]\\ +.. +.\" @PS height width +.de @PS +.br +.sp \\n[DD]u +.ie !\\n[.$]=2 \{\ +. ds pic*msg .PS: expected 2 arguments, got \\n[.$]\" +. as pic*msg ; not preprocessed with pic?\" +. @error \\*[pic*msg] +. rm pic*msg +.\} +.el \{\ +. ds@need (u;\\$1)+1v +. in +(u;\\n[.l]-\\n[.i]-\\$2/2>?0) +.\} +.HTML-IMAGE +.. +.de PF +.HTML-IMAGE-END +.par@reset +.. +.de PE +.PF +.sp \\n[DD]u+.5m +.. +.\" **************************** +.\" ******** module ref ******** +.\" **************************** +.\" Refer support. +.mso refer-ms.tmac +.\" **************************** +.\" ******** module acc ******** +.\" **************************** +.\" Accents and special characters. +.ds Q \(lq +.ds U \(rq +.ds - \(em +.\" Characters +.\" Accents +.de acc*over-def +.ds \\$1 \Z'\v'(u;\w'x'*0+\En[rst]-\En[.cht])'\ +\h'(u;-\En[skw]+(-\En[.w]-\w'\\$2'/2)+\En[.csk])'\\$2' +.. +.de acc*under-def +.ds \\$1 \Z'\v'\En[.cdp]u'\h'(u;-\En[.w]-\w'\\$2'/2)'\\$2' +.. +.de acc*slash-def +.ds \\$1 \Z'\h'(u;-\En[.w]-\w'\\$2'/2)'\ +\v'(u;\En[.cdp]-\En[.cht]+\En[rst]+\En[rsb]/2)'\\$2' +.. +.de acc*prefix-def +.ds \\$1 \Z'\h'(u;\w'x'-\w'\\$2'/2)'\\$2' +.. +.acc*prefix-def ' \' +.acc*prefix-def ` \` +.acc*prefix-def ^ ^ +.acc*prefix-def , \(ac +.acc*prefix-def : \(ad +.acc*prefix-def ~ ~ +.\" improved accent marks +.de AM +.acc*over-def ' \' +.acc*over-def ` \` +.acc*over-def ^ ^ +.acc*over-def ~ ~ +.acc*over-def : \(ad +.acc*over-def v \(ah +.acc*over-def _ \(a- +.acc*over-def o \(ao +.acc*under-def , \(ac +.acc*under-def . \s[\En[.s]*8u/10u]\v'.2m'.\v'-.2m'\s0 +.acc*under-def hook \(ho +.acc*slash-def / / +.char \[hooko] o\E*[hook] +.ds q \[hooko] +.\" The idea of this definition is for the top of the 3 to be at the +.\" x-height. +.if !c\[yogh] .char \[yogh] \Z'\v'\w'x'*0-\En[rst]u'\s[\En[.s]*8u/10u]\ +\v'\w'3'*0+\En[rst]u'3\s0'\h'\w'\s[\En[.s]*8u/10u]3'u' +.ds 3 \[yogh] +.ds D- \(-D\" Icelandic uppercase eth +.ds d- \(Sd\" Icelandic lowercase eth +.ds Th \(TP\" Icelandic uppercase thorn +.ds th \(Tp\" Icelandic lowercase thorn +.ds 8 \(ss\" German double s +.ds Ae \(AE\" AE ligature +.ds ae \(ae\" ae ligature +.ds Oe \(OE\" OE ligature +.ds oe \(oe\" oe ligature +.ds ? \(r?\" upside down ? +.ds ! \(r!\" upside down ! +.. +.de CHECK-FOOTER-AND-KEEP +.if '\*(.T'html' \{\ +. rm KF +. als KF KS +. +. rm FS +. de FS +. sp +. HTML-NS <cite> +\\.. +. rm FE +. de FE +. HTML-NS </cite> +. sp +\\.. +.\} +.. +.par@load-init +.\" Local Variables: +.\" mode: nroff +.\" fill-column: 72 +.\" End: +.\" vim: set filetype=groff textwidth=72: |