diff options
Diffstat (limited to 'tex/context/base/spac-ver.mkiv')
| -rw-r--r-- | tex/context/base/spac-ver.mkiv | 389 |
1 files changed, 175 insertions, 214 deletions
diff --git a/tex/context/base/spac-ver.mkiv b/tex/context/base/spac-ver.mkiv index 6cd435e8b..c43e49853 100644 --- a/tex/context/base/spac-ver.mkiv +++ b/tex/context/base/spac-ver.mkiv @@ -17,7 +17,7 @@ \registerctxluafile{spac-ver}{1.001} -\newskip\blankskip \blankskip=\bigskipamount +\newskip\blankskip \blankskip=\bigskipamount \def\skipfactor {.75} \def\skipgluefactor{.25} @@ -92,15 +92,15 @@ \dosetupspecifiedinterlinespaceindeed} \def\dosetupspecifiedinterlinespaceindeed - {\edef\strutheightfactor {\interlinespaceparameter\c!height}% - \edef\strutdepthfactor {\interlinespaceparameter\c!depth}% + {\edef\strutheightfactor {\interlinespaceparameter\c!height }% + \edef\strutdepthfactor {\interlinespaceparameter\c!depth }% \edef\minimumstrutheight {\interlinespaceparameter\c!minheight}% - \edef\minimumstrutdepth {\interlinespaceparameter\c!mindepth}% - \edef\minimumlinedistance{\interlinespaceparameter\c!distance}% - \edef\normallineheight {\interlinespaceparameter\c!line}% - \edef\topskipfactor {\interlinespaceparameter\c!top}% - \edef\maxdepthfactor {\interlinespaceparameter\c!bottom}% - \edef\baselinegluefactor {\interlinespaceparameter\c!stretch}% + \edef\minimumstrutdepth {\interlinespaceparameter\c!mindepth }% + \edef\minimumlinedistance{\interlinespaceparameter\c!distance }% + \edef\normallineheight {\interlinespaceparameter\c!line }% + \edef\topskipfactor {\interlinespaceparameter\c!top }% + \edef\maxdepthfactor {\interlinespaceparameter\c!bottom }% + \edef\baselinegluefactor {\interlinespaceparameter\c!stretch }% % often topskip does more bad than good, so: \ifx\topskipfactor\v!height \let\topskipfactor\strutheightfactor @@ -140,8 +140,8 @@ \let\setrelativeinterlinespace\relax -\newtoks \everysetupglobalinterlinespace -\newtoks \everysetuplocalinterlinespace +\newtoks\everysetupglobalinterlinespace +\newtoks\everysetuplocalinterlinespace \def\interlinespaceparameter #1{\csname\dointerlinespaceparameter{\??it\currentinterlinespace}#1\endcsname} \def\dointerlinespaceparameter #1#2{\ifcsname#1#2\endcsname#1#2\else\expandafter\dointerlinespaceparentparameter\csname#1\s!parent\endcsname#2\fi} @@ -227,19 +227,27 @@ \definecomplexorsimple\setupinterlinespace -\def\removelastskip % a redefinition of plain +\def\removelastskip {\ifvmode\ifdim\lastskip=\zeropoint\else\vskip-\lastskip\fi\fi} -\def\doifoutervmode#1% - {\ifvmode\ifinner\else#1\fi\fi} +\def\doifoutervmode + {\ifvmode + \ifinner + \doubleexpandafter\gobbleoneargument + \else + \doubleexpandafter\firstofoneargument + \fi + \else + \expandafter\gobbleoneargument + \fi} \def\dosomebreak#1% {\doifoutervmode {\scratchskip\lastskip \removelastskip - %\leavevmode\type{#1}% #1\relax - \ifdim\scratchskip=\zeropoint % else interference with footnotes + \ifdim\scratchskip=\zeropoint + % avoid interference with footnotes \else \vskip\scratchskip \fi}} @@ -252,88 +260,11 @@ \ifhmode\endgraf\fi \ifvmode\nointerlineskip\vskip#1\relax\fi} -\ifx\smallskip\undefined - - \def\smallskip{\vskip\smallskipamount} - \def\medskip {\vskip\medskipamount} - \def\bigskip {\vskip\bigskipamount} - -\fi - -\ifx\allowbreak\undefined - - \def\break {\penalty\ifhmode-\plustenthousand\else\ejectpenalty\fi} - \def\nobreak {\penalty \plustenthousand} - \def\allowbreak{\penalty \zeropoint} - \def\filbreak {\par\vfil\penalty-200\vfilneg} - \def\goodbreak {\par\penalty-500 } - -\fi - -%D Made slightly more readable: - -\ifx\vglue\undefined - - \def\vglue {\afterassignment\dovglue\scratchskip=} - \def\hglue {\afterassignment\dohglue\scratchskip=} - \def\topglue{\nointerlineskip\vglue-\topskip\vglue} - - \def\dovglue - {\par - \scratchdimen\prevdepth - \hrule\!!height\zeropoint - \nobreak - \vskip\scratchskip - \prevdepth\scratchdimen} - - \def\dohglue - {\dontleavehmode % \leavevmode - \scratchcounter\spacefactor - \vrule\!!width\zeropoint - \nobreak - \hskip\scratchskip - \spacefactor\scratchcounter} - -\fi - -\ifx\eject\undefined - - \def\eject{\par\break} - -\fi - -\ifx\supereject\undefined +\unexpanded\def\smallskip{\vskip\smallskipamount} +\unexpanded\def\medskip {\vskip\medskipamount} +\unexpanded\def\bigskip {\vskip\bigskipamount} - \def\supereject{\par\penalty\superpenalty} - -\fi - -\ifx\dosupereject\undefined - - \def\dosupereject - {\ifnum\insertpenalties>\zerocount % something is being held over - \line{} - \kern-\topskip - \nobreak - \vfill\supereject - \fi} - -\fi - -%D We adapt plain's \type {\removelastskip} a bit: - -\ifx\removelastskip\undefined - - \def\removelastskip - {\ifvmode \ifdim\lastskip=\zeropoint \else - \vskip-\lastskip - \fi \fi} - -\fi - -\ifx\smallbreak\undefined - -\def\smallbreak +\unexpanded\def\smallbreak {\par \ifdim\lastskip<\smallskipamount \removelastskip @@ -341,7 +272,7 @@ \smallskip \fi} -\def\medbreak +\unexpanded\def\medbreak {\par \ifdim\lastskip<\medskipamount \removelastskip @@ -349,7 +280,7 @@ \medskip \fi} -\def\bigbreak +\unexpanded\def\bigbreak {\par \ifdim\lastskip<\bigskipamount \removelastskip @@ -357,18 +288,49 @@ \bigskip \fi} -\fi - +\unexpanded\def\break {\penalty-\plustenthousand} % can be hmode or vmode +\unexpanded\def\nobreak {\penalty \plustenthousand} % can be hmode or vmode +\unexpanded\def\allowbreak{\penalty \zeropoint} % can be hmode or vmode +\unexpanded\def\goodbreak {\par\penalty-500\relax} % forces vmode +\unexpanded\def\filbreak {\par\vfil\penalty-200\vfilneg} % forces vmode + +%D Made slightly more readable: + +\unexpanded\def\vglue {\afterassignment\spacing_vglue_indeed\scratchskip=} +\unexpanded\def\hglue {\afterassignment\spacing_hglue_indeed\scratchskip=} +\unexpanded\def\topglue{\nointerlineskip\vglue-\topskip\vglue} + +\def\spacing_vglue_indeed + {\par + \scratchdimen\prevdepth + \hrule\!!height\zeropoint + \nobreak + \vskip\scratchskip + \prevdepth\scratchdimen} + +\def\spacing_hglue_indeed + {\dontleavehmode % \leavevmode + \scratchcounter\spacefactor + \vrule\!!width\zeropoint + \nobreak + \hskip\scratchskip + \spacefactor\scratchcounter} + +%D We adapt plain's \type {\removelastskip} a bit: + +\unexpanded\def\removelastskip % also in supp-box + {\ifvmode\ifzeropt\lastskip\else\vskip-\lastskip\fi\fi} + \newskip\ctxparskip \ctxparskip\zeropoint \newconditional \flexiblewhitespace \settrue\flexiblewhitespace -\def\currentwhitespace {\zeropoint} +\def\currentwhitespace{\zeropoint} \definecomplexorsimple\setupwhitespace \def\simplesetupwhitespace - {\doifnot\currentwhitespace\v!none\dosetupwhitespace} + {\doifnot\currentwhitespace\v!none\spacing_setup_whitespace} \def\complexsetupwhitespace[#1]% {\edef\nextcurrentwhitespace{#1}% @@ -376,67 +338,52 @@ \simplesetupwhitespace \else \let\currentwhitespace\nextcurrentwhitespace - \dosetupwhitespace + \spacing_setup_whitespace \fi} \newconstant\baselinegridmode % option in layout / 1=permit_half_lines -\def\dosetupwhitespace % quick test for no list - {\ifcsname\??ws\??ws\currentwhitespace\endcsname - \csname\??ws\??ws\currentwhitespace\endcsname +\def\spacing_setup_whitespace % quick test for no list + {\ifcsname\??wz:\currentwhitespace\endcsname + \csname\??wz:\currentwhitespace\endcsname \else - \expandafter\processcommalist\expandafter[\currentwhitespace]\dowhitespacemethod % can be raw + \expandafter\processcommalist\expandafter[\currentwhitespace]\spacing_setup_whitespace_method % can be raw \fi\relax \ifgridsnapping - \setfalse\flexiblewhitespace - \ifdim\ctxparskip>\zeropoint - \ctxparskip - \ifcase\baselinegridmode - \baselineskip % normal ! ! ! ! !! - \or - \ifdim\scratchdimen=\baselineskip % maybe range - \baselineskip % normal ! ! ! ! !! - \else - \numexpr\ctxparskip/\dimexpr.5\lineheight\relax\relax\dimexpr.5\lineheight\relax - \fi - \else - \baselineskip % normal ! ! ! ! !! - \fi - \fi + \spacing_setup_whitespace_grid \else - \ifconditional\flexiblewhitespace \else \ctxparskip1\ctxparskip \fi + \spacing_setup_whitespace_normal \fi \parskip\ctxparskip} -\def\dodosetupwhitespace - {\ifgridsnapping - \setfalse\flexiblewhitespace +\def\spacing_setup_whitespace_normal + {\ifconditional\flexiblewhitespace \else \ctxparskip1\ctxparskip - \ifdim\ctxparskip>\zeropoint + \fi} + +\def\spacing_setup_whitespace_grid + {\setfalse\flexiblewhitespace + \ifdim\ctxparskip>\zeropoint + \ctxparskip \ifcase\baselinegridmode - \ctxparskip\baselineskip % normal ! ! ! ! !! + \baselineskip % normal ! ! ! ! !! \or \ifdim\scratchdimen=\baselineskip % maybe range - \ctxparskip\baselineskip % normal ! ! ! ! !! + \baselineskip % normal ! ! ! ! !! \else - \ctxparskip\numexpr\ctxparskip/\dimexpr.5\lineheight\relax\relax\dimexpr.5\lineheight\relax + \numexpr\ctxparskip/\dimexpr.5\lineheight\relax\relax\dimexpr.5\lineheight\relax \fi \else - \ctxparskip\baselineskip % normal ! ! ! ! !! + \baselineskip % normal ! ! ! ! !! \fi - \fi - \else - \ifconditional\flexiblewhitespace \else \ctxparskip1\ctxparskip \fi - \fi - \parskip\ctxparskip} - -\definesystemvariable {ws} % whitespace + \fi} -\unexpanded\def\definewhitespacemethod[#1]#2{\setvalue{\??ws\??ws#1}{#2}} +\unexpanded\def\definewhitespacemethod[#1]#2{\setvalue{\??wz:#1}{#2}} \definewhitespacemethod [\v!fix] {} \definewhitespacemethod [\v!fixed] {\setfalse\flexiblewhitespace} -\definewhitespacemethod [\v!flexible] {\settrue\flexiblewhitespace} +\definewhitespacemethod [\v!flexible] {\settrue \flexiblewhitespace} + \definewhitespacemethod [\v!line] {\ctxparskip \baselineskip} \definewhitespacemethod [\v!halfline] {\ctxparskip.5\baselineskip} \definewhitespacemethod [\v!none] {\ctxparskip \zeropoint} @@ -444,13 +391,22 @@ \definewhitespacemethod [\v!medium] {\ctxparskip \medskipamount} \definewhitespacemethod [\v!small] {\ctxparskip \smallskipamount} -\definewhitespacemethod [\s!default] {\simplesetupwhitespace} % {\stelwitruimteopnieuwin} +\definewhitespacemethod [\s!default] {\simplesetupwhitespace} -\def\dowhitespacemethod#1% - {\ifcsname\??ws\??ws#1\endcsname\csname\??ws\??ws#1\endcsname\else\ctxparskip#1\fi\relax} +\def\spacing_setup_whitespace_method#1% + {\ifcsname\??wz:#1\endcsname + \csname\??wz:#1\endcsname + \else + \ctxparskip#1\fi + \relax} -\def\nowhitespace{\vspacing[\v!nowhite]} -\def\whitespace {\vspacing[\v!white]} +% \definewhitespacemethod [\s!unknown] {\ctxparskip\commalistelement\relax} +% +% \def\spacing_setup_whitespace_method#1% +% {\csname\??wz:\ifcsname\??wz:#1\endcsname#1\else\s!unknown\endcsname\relax} + +\unexpanded\def\nowhitespace{\vspacing[\v!nowhite]} +\unexpanded\def\whitespace {\vspacing[\v!white]} % De onderstaande macro handelt ook de situatie dat er geen % tekst tussen \start ... \stop is geplaatst. Daartoe wordt de @@ -461,9 +417,9 @@ \newcount\packeddepth \unexpanded\def\startpacked - {\dosingleempty\dostartpacked} + {\dosingleempty\spacing_start_packed} -\def\dostartpacked[#1]% nesting afvangen +\def\spacing_start_packed[#1]% nesting afvangen {\global\advance\packeddepth\plusone \par \ifnum\packeddepth=\plusone \ifvmode @@ -519,16 +475,16 @@ \doaroundlinecorrection \egroup} -\def\correctwhitespace +\unexpanded\def\correctwhitespace {\dowithnextbox {\startbaselinecorrection \flushnextbox \stopbaselinecorrection}% \vbox} - -\def\verticalstrut {\normalvbox{\hsize\zeropoint\forgetall\strut}} -\def\horizontalstrut{\normalhbox {\strut}} - + +\unexpanded\def\verticalstrut {\normalvbox{\hsize\zeropoint\forgetall\strut}} +\unexpanded\def\horizontalstrut{\normalhbox {\strut}} + % Hieronder volgen enkele instellingen en macro's ten behoeve % van de interlinie en \strut. De waarden 2.8, 0.07, 0.72 en % 0.28 zijn ooit eens ontleend aan INRS-TEX en moeten wellicht @@ -581,15 +537,15 @@ \def\baselinefactor {2.8} \def\baselinegluefactor {0} -\def\minimumstrutheight {0pt} -\def\minimumstrutdepth {0pt} +\def\minimumstrutheight {\zeropoint} +\def\minimumstrutdepth {\zeropoint} \def\normallineheight {\baselinefactor ex} \def\minimumlinedistance {\lineskip} -\def\strutheight {0pt} -\def\strutdepth {0pt} -\def\strutwidth {0pt} +\def\strutheight {\zeropoint} +\def\strutdepth {\zeropoint} +\def\strutwidth {\zeropoint} \let\spacingfactor \plusone @@ -599,19 +555,15 @@ \def\systemtopskipfactor {\topskipfactor} \def\systemmaxdepthfactor {\maxdepthfactor} -\ifdefined\globalbodyfontsize\else - \newdimen\globalbodyfontsize - \globalbodyfontsize=12pt +\ifdefined\globalbodyfontsize \else + \newdimen\globalbodyfontsize + \globalbodyfontsize=12pt \fi -\ifdefined\normalizedbodyfontsize\else - \def\normalizedbodyfontsize{12pt} +\ifdefined\normalizedbodyfontsize \else + \def\normalizedbodyfontsize{12pt} \fi -% door een \dimen. Dit is geen probleem omdat (1) de default -% korpsgrootte 12pt is en (2) de fonts nog niet geladen zijn -% en de instellingen bij het laden nogmaals plaatsvinden. - \def\topskipcorrection {\simpletopskipcorrection \vskip-\struttotal @@ -624,14 +576,14 @@ \vskip-\openstrutheight \fi} -\def\settopskip % the extra test is needed for the lbr family +\unexpanded\def\settopskip % the extra test is needed for the lbr family {\topskip\systemtopskipfactor\globalbodyfontsize \ifgridsnapping \else \ifr@ggedbottom\!!plus5\globalbodyfontsize\fi \fi -\ifgridsnapping - \topskip\zeropoint -\fi + \ifgridsnapping + \topskip\zeropoint + \fi \relax % the skip \topskipgap\topskip \advance\topskipgap -\openstrutheight\relax @@ -639,21 +591,21 @@ \ifdim\topskip<\minimumstrutheight \topskip\minimumstrutheight\relax \fi - \else + \else \ifdim\topskip<\strutheightfactor\openlineheight \topskip\strutheightfactor\openlineheight\relax \fi - \fi} + \fi} -\def\setmaxdepth +\unexpanded\def\setmaxdepth {\maxdepth\systemmaxdepthfactor\globalbodyfontsize} -\def\normalbaselines +\unexpanded\def\normalbaselines {\baselineskip \normalbaselineskip \lineskip \normallineskip \lineskiplimit\normallineskiplimit} -\def\setnormalbaselines +\unexpanded\def\setnormalbaselines {\ifdim\normallineheight>\zeropoint \lineheight\normallineheight \fi @@ -678,13 +630,10 @@ \fi \normallineskip\minimumlinedistance\relax % \onepoint\relax \normallineskiplimit\zeropoint\relax - \normalbaselines - %\dosetupgridsnapping - } + \normalbaselines} -\def\spacing#1% +\unexpanded\def\spacing#1% {\ifgridsnapping - %\ifdim#1\points=\onepoint\else\showmessage\m!layouts{11}{\withoutpt\the\dimexpr#1\points\relax}\fi \let\spacingfactor\plusone \else \edef\spacingfactor{#1}% @@ -722,15 +671,11 @@ % % \def\strut{\relax\ifmmode\copy\else\unhcopy\fi\strutbox} -\ifx\strutbox\undefined - - \newbox\strutbox +\newbox\strutbox - \setbox\strutbox\normalhbox{\vrule height8.5pt depth3.5pt width\zeropoint} +\setbox\strutbox\normalhbox{\vrule height8.5pt depth3.5pt width\zeropoint} % just a start - \def\strut{\relax\ifmmode\copy\else\unhcopy\fi\strutbox} - -\fi +\def\strut{\relax\ifmmode\copy\else\unhcopy\fi\strutbox} \let\normalstrut\strut @@ -791,13 +736,13 @@ %D Handy for math (used in mathml): -\def\charhtstrut +\unexpanded\def\charhtstrut {\begingroup \setcharstrut{GJY}% \vrule\!!width\zeropoint\!!depth\zeropoint\!!height\strutht \endgroup} -\def\chardpstrut +\unexpanded\def\chardpstrut {\begingroup \setcharstrut{gjy}% \vrule\!!width\zeropoint\!!depth\strutdp\!!height\zeropoint @@ -810,31 +755,49 @@ \newdimen\tempstrutdimen -\def\dosetstrut +% \unexpanded\def\dosetstrut +% {\let\strut\normalstrut +% \tempstrutdimen\dimexpr\strutht+\strutdp-\lineheight\relax +% \ifabsnum\tempstrutdimen<\plustwo +% % compensate rounding error /- 1sp to avoid too many +% % 1sp baselineskips in for instance verbatim +% \strutht\dimexpr\strutht-\tempstrutdimen\relax +% \fi +% \edef\strutheight{\the\strutht}% maybe better \number\strutht sp +% \edef\strutdepth {\the\strutdp}% +% \ifdim\strutwidth=\zeropoint +% \dosetstruthide +% \else +% \dosetstrutvide +% \fi +% \struttotal\dimexpr\strutht+\strutdp\relax} + +\unexpanded\def\dosetstrut {\let\strut\normalstrut - \tempstrutdimen\dimexpr\strutht+\strutdp-\lineheight\relax - \ifabsnum\tempstrutdimen<\plustwo - % compensate rounding error /- 1sp to avoid too many - % 1sp baselineskips in for instance verbatim - \strutht\dimexpr\strutht-\tempstrutdimen\relax + \ifabsnum\dimexpr\strutht+\strutdp-\lineheight\relax<\plustwo + % compensate rounding error /- 1sp to avoid too many + % 1sp baselineskips in for instance verbatim + \strutht\dimexpr\lineheight-\strutdp\relax + \struttotal\lineheight + \else + \struttotal\dimexpr\strutht+\strutdp\relax \fi - \edef\strutheight{\the\strutht}% maybe better \number\strutht sp + \edef\strutheight{\the\strutht}% \edef\strutdepth {\the\strutdp}% \ifdim\strutwidth=\zeropoint \dosetstruthide \else \dosetstrutvide - \fi - \struttotal\dimexpr\strutht+\strutdp\relax} + \fi} -\def\dosetstruthide +\unexpanded\def\dosetstruthide {\setbox\strutbox\normalhbox {\vrule \!!width \zeropoint \!!height\strutht \!!depth \strutdp}} -\def\dosetstrutvide +\unexpanded\def\dosetstrutvide {\setbox\strutbox\normalhbox {\normalhbox to \zeropoint {% \hss % new, will be option @@ -852,12 +815,12 @@ \newbox\emptystrutbox \setbox\emptystrutbox\emptyhbox -\def\dosetstruthide +\unexpanded\def\dosetstruthide {\setbox\strutbox\copy\emptystrutbox \ht\strutbox\strutht \dp\strutbox\strutdp} -\def\strut{\relax\dontleavehmode\copy\strutbox} % still callbacks for \hbox{\strut} +\unexpanded\def\strut{\relax\dontleavehmode\copy\strutbox} % still callbacks for \hbox{\strut} \let\normalstrut\strut @@ -893,7 +856,7 @@ \def\showstruts {\setteststrut \settestcrlf} - + \def\setteststrut {\def\strutwidth{.8pt}% \setstrut} @@ -917,7 +880,7 @@ \newsignal\strutsignal \setfalse\sigstruts -\def\begstrut +\unexpanded\def\begstrut {\relax\ifcase\strutht\else \ifconditional\sigstruts \noindent\horizontalstrut @@ -932,11 +895,14 @@ \expandafter \ignorespaces \fi} -\def\endstrut +\unexpanded\def\endstrut {\relax\ifhmode\ifcase\strutht\else \ifconditional\sigstruts \ifdim\lastskip=\strutsignal - \unskip\unskip\unpenalty\setbox\scratchbox\lastbox + \unskip + \unskip + \unpenalty + \setbox\scratchbox\lastbox \else \normalpenalty\plustenthousand \normalhskip\zeropoint @@ -1040,11 +1006,6 @@ \leavevmode \fi\fi} -% We stellen enkele penalties anders in dan Plain TEX: -% -% \widowpenalty=\defaultwidowpenalty\relax -% \clubpenalty =\defaultclubpenalty \relax - \def\resetpenalties#1% {\ifdefined#1% #1\minusone @@ -1410,7 +1371,7 @@ {\setbox\nextbox#1% {\hbox {\hbox to \zeropoint - {\setlayoutcomponentattribute\v!grid\v!test + {\setlayoutcomponentattribute{\v!grid:\v!test}% \color[grid:#2]{\ruledhbox \layoutcomponentboxattribute {\fakebox\nextbox}}% \hss}% \flushnextbox}}} @@ -1810,7 +1771,7 @@ \whitespace \dostarttagged\t!lines\currentlines \begingroup - \dosetlinesattributes\c!style\c!color + \uselinesstyleandcolor\c!style\c!color \setupindenting[\linesparameter\c!indenting]% \setupalign[\linesparameter\c!align]% \typesettinglinestrue |