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+\startenvironment luametatex-style
+
+% \environment luatex-style
+
+% \logo[LUAMETATEX] {\Lua Meta\TeX}
+
+% todo: use \useMPlibrary[lua]
+
+\enabletrackers[fonts.usage]
+
+\usemodule[fonts-statistics]
+
+\setuplayout
+ [height=middle,
+ width=middle,
+ backspace=2cm,
+ topspace=10mm,
+ bottomspace=10mm,
+ header=10mm,
+ footer=10mm,
+ footerdistance=10mm,
+ headerdistance=10mm]
+
+\setuppagenumbering
+ [alternative=doublesided]
+
+\setuptolerance
+ [stretch,tolerant]
+
+\setuptype
+ [lines=hyphenated]
+
+\setuptyping
+ [lines=hyphenated]
+
+\setupitemize
+ [each]
+ [packed]
+
+\definesymbol[1][\Uchar"2023]
+\definesymbol[2][\endash]
+\definesymbol[3][\wait] % we want to catch it
+
+\setupitemize
+ [each]
+ [headcolor=maincolor,
+ symbolcolor=maincolor,
+ color=maincolor]
+
+\setupwhitespace
+ [medium]
+
+\setuptabulate
+ [blank={small,samepage},
+ headstyle=bold,
+ rulecolor=maincolor,
+ rulethickness=1pt,
+ foregroundcolor=white,
+ foregroundstyle=\ss\bfx\WORD,
+ backgroundcolor=maincolor]
+
+\setupcaptions
+ [headcolor=darkblue]
+
+\startluacode
+ local skipped = table.tohash { 'id', 'subtype', 'next', 'prev' }
+
+ function document.functions.showfields(s)
+ local t = string.split(s,',')
+ local f = node.fields(t[1],t[2])
+ if f then
+ local d = false
+ for i=1,#f do
+ local fi = f[i]
+ if skipped[fi] then
+ -- okay
+ elseif d then
+ context(', {\tttf %s}', fi)
+ else
+ context('{\tttf %s}', fi)
+ d = true
+ end
+ end
+ end
+ end
+
+ function document.functions.showid(s)
+ local t = string.split(s,',')
+ context('{tttf %s}',node.id(t[1]))
+ if t[2] then
+ context(', {tttf %s}',node.subtype(t[2]))
+ end
+ end
+
+ function document.functions.showsubtypes(s)
+ local s = node.subtypes(s)
+ local d = false
+ for k, v in table.sortedhash(s) do
+ if d then
+ context(', %s = {\\tttf %s}',k,v)
+ else
+ context('%s = {\\tttf %s}',k,v)
+ d = true
+ end
+ end
+ end
+\stopluacode
+
+\unexpanded\def\showfields #1{\ctxlua{document.functions.showfields("#1")}}
+\unexpanded\def\showid #1{\ctxlua{document.functions.showid("#1")}}
+\unexpanded\def\showsubtypes#1{\ctxlua{document.functions.showsubtypes("#1")}}
+
+\definecolor[blue] [b=.5]
+\definecolor[red] [r=.5]
+\definecolor[green] [g=.5]
+%definecolor[maincolor] [b=.5]
+%definecolor[keptcolor] [b=.5]
+%definecolor[othercolor][r=.5,g=.5]
+
+\definecolor[maincolor] [b=.5]
+\definecolor[keptcolor] [b=.5]
+\definecolor[othercolor][s=.5]
+
+\writestatus{luametatex manual}{}
+\writestatus{luametatex manual}{defining lucodaot} \usebodyfont [lucidaot]
+\writestatus{luametatex manual}{defining pagella} \usebodyfont [pagella]
+\writestatus{luametatex manual}{defining cambria} \usebodyfont [cambria]
+\writestatus{luametatex manual}{defining modern} \usebodyfont [modern]
+\writestatus{luametatex manual}{defining dejavu} \setupbodyfont[dejavu,10pt]
+\writestatus{luametatex manual}{}
+
+\setuphead [chapter] [align={flushleft,broad},style=\bfd]
+\setuphead [section] [align={flushleft,broad},style=\bfb]
+\setuphead [subsection] [align={flushleft,broad},style=\bfa]
+\setuphead [subsubsection][align={flushleft,broad},style=\bf]
+
+\setuphead [chapter] [color=maincolor]
+\setuphead [section] [color=maincolor]
+\setuphead [subsection] [color=maincolor]
+\setuphead [subsubsection][color=maincolor]
+
+\setupfloats
+ [ntop=4]
+
+\definehead
+ [remark]
+ [subsubsubject]
+
+\setupheadertexts
+ []
+
+% \setuplayout
+% [style=bold,
+% color=maincolor]
+
+\definemixedcolumns
+ [twocolumns]
+ [n=2,
+ balance=yes,
+ before=\blank,
+ after=\blank]
+
+\definemixedcolumns
+ [threecolumns]
+ [twocolumns]
+ [n=3]
+
+\definemixedcolumns
+ [fourcolumns]
+ [threecolumns]
+ [n=4]
+
+% if we do this we also need to do it in table cells
+%
+% \setuptyping
+% [color=maincolor]
+%
+% \setuptype
+% [color=maincolor]
+
+\definetyping
+ [functioncall]
+
+\startMPdefinitions
+
+ color luaplanetcolor ; luaplanetcolor := \MPcolor{maincolor} ;
+ color luaholecolor ; luaholecolor := white ;
+ numeric luaextraangle ; luaextraangle := 0 ;
+ numeric luaorbitfactor ; luaorbitfactor := .25 ;
+
+ vardef lualogo = image (
+
+ % Graphic design by A. Nakonechnyj. Copyright (c) 1998, All rights reserved.
+
+ save d, r, p ; numeric d, r, p ;
+
+ d := sqrt(2)/4 ; r := 1/4 ; p := r/8 ;
+
+ fill fullcircle scaled 1
+ withcolor luaplanetcolor ;
+ draw fullcircle rotated 40.5 scaled (1+r)
+ dashed evenly scaled p
+ withpen pencircle scaled (p/2)
+ withcolor (luaorbitfactor * luaholecolor) ;
+ fill fullcircle scaled r shifted (d+1/8,d+1/8)
+ rotated - luaextraangle
+ withcolor luaplanetcolor ;
+ fill fullcircle scaled r shifted (d-1/8,d-1/8)
+ withcolor luaholecolor ;
+ luaorbitfactor := .25 ;
+ ) enddef ;
+
+\stopMPdefinitions
+
+\startuseMPgraphic{luapage}
+ StartPage ;
+
+ fill Page withcolor \MPcolor{othercolor} ;
+
+ luaorbitfactor := 1 ;
+
+ picture p ; p := lualogo ysized (5*\measure{paperheight}/10) ;
+ draw p
+ shifted - center p
+ shifted (
+ \measure{spreadwidth} - .5*\measure{paperwidth} + \measure{spinewidth},
+ .375*\measure{paperheight}
+ )
+ ;
+
+ StopPage ;
+\stopuseMPgraphic
+
+% \starttexdefinition luaextraangle
+% % we can also just access the last page and so in mp directly
+% \ctxlua {
+% context(\lastpage == 0 and 0 or \realfolio*360/\lastpage)
+% }
+% \stoptexdefinition
+
+\startuseMPgraphic{luanumber}
+ % luaextraangle := \luaextraangle;
+ luaextraangle := if (LastPageNumber < 10) : 10 else : (RealPageNumber / LastPageNumber) * 360 fi;
+ luaorbitfactor := 0.25 ;
+ picture p ; p := lualogo ;
+ setbounds p to boundingbox fullcircle ;
+ draw p ysized 1cm ;
+\stopuseMPgraphic
+
+\definelayer
+ [page]
+ [width=\paperwidth,
+ height=\paperheight]
+
+\setupbackgrounds
+ [leftpage]
+ [background=page]
+
+\setupbackgrounds
+ [rightpage]
+ [background=page]
+
+\definemeasure[banneroffset][\bottomspace-\footerheight-\footerdistance+2cm]
+
+\startsetups pagenumber:right
+ \setlayerframed
+ [page]
+ [preset=rightbottom,x=1.0cm,y=\measure{banneroffset}]
+ [frame=off,height=1cm,offset=overlay]
+ {\strut\useMPgraphic{luanumber}}
+ \setlayerframed
+ [page]
+ [preset=rightbottom,x=2.5cm,y=\measure{banneroffset}]
+ [frame=off,height=1cm,width=1cm,offset=overlay,
+ foregroundstyle=bold,foregroundcolor=maincolor]
+ {\strut\pagenumber}
+ \setlayerframed
+ [page]
+ [preset=rightbottom,x=3.5cm,y=\measure{banneroffset}]
+ [frame=off,height=1cm,offset=overlay,
+ foregroundstyle=bold,foregroundcolor=maincolor]
+ {\strut\getmarking[chapter]}
+\stopsetups
+
+\startsetups pagenumber:left
+ \setlayerframed
+ [page]
+ [preset=leftbottom,x=3.5cm,y=\measure{banneroffset}]
+ [frame=off,height=1cm,offset=overlay,
+ foregroundstyle=bold,foregroundcolor=maincolor]
+ {\strut\getmarking[chapter]}
+ \setlayerframed
+ [page]
+ [preset=leftbottom,x=2.5cm,y=\measure{banneroffset}]
+ [frame=off,height=1cm,width=1cm,offset=overlay,
+ foregroundstyle=bold,foregroundcolor=maincolor]
+ {\strut\pagenumber}
+ \setlayerframed
+ [page]
+ [preset=leftbottom,x=1.0cm,y=\measure{banneroffset}]
+ [frame=off,height=1cm,offset=overlay]
+ {\strut\useMPgraphic{luanumber}}
+\stopsetups
+
+\unexpanded\def\nonterminal#1>{\mathematics{\langle\hbox{\rm #1}\rangle}}
+
+% taco's brainwave -) .. todo: create a typing variant so that we can avoid the !crlf
+
+\newcatcodetable\syntaxcodetable
+
+\unexpanded\def\makesyntaxcodetable
+ {\begingroup
+ \catcode`\<=13 \catcode`\|=12
+ \catcode`\!= 0 \catcode`\\=12
+ \savecatcodetable\syntaxcodetable
+ \endgroup}
+
+\makesyntaxcodetable
+
+\unexpanded\def\startsyntax {\begingroup\catcodetable\syntaxcodetable \dostartsyntax}
+\unexpanded\def\syntax {\begingroup\catcodetable\syntaxcodetable \dosyntax}
+ \let\stopsyntax \relax
+
+\unexpanded\def\syntaxenvbody#1%
+ {\par
+ \tt
+ \startnarrower
+ % \maincolor
+ #1
+ \stopnarrower
+ \par}
+
+\unexpanded\def\syntaxbody#1%
+ {\begingroup
+ % \maincolor
+ \tt #1%
+ \endgroup}
+
+\bgroup \catcodetable\syntaxcodetable
+
+!gdef!dostartsyntax#1\stopsyntax{!let<!nonterminal!syntaxenvbody{#1}!endgroup}
+!gdef!dosyntax #1{!let<!nonterminal!syntaxbody{#1}!endgroup}
+
+!egroup
+
+\definetyping
+ [texsyntax]
+% [color=maincolor]
+
+% end of wave
+
+\setupinteraction
+ [state=start,
+ focus=standard,
+ style=,
+ color=,
+ contrastcolor=]
+
+\placebookmarks
+ [chapter,section,subsection]
+
+\setuplist
+ [chapter,section,subsection,subsubsection]
+ [interaction=all,
+ width=4em]
+
+\setuplist
+ [chapter]
+ [style=bold,
+ before={\testpage[4]\blank},
+ color=keptcolor]
+
+\setuplist
+ [section]
+ [before={\testpage[3]}]
+
+\setuplist
+ [subsection,subsubsection]
+ [margin=4em,
+ width=5em]
+
+\definestartstop
+ [notabene]
+ [style=slanted]
+
+\definestartstop
+ [preamble]
+ [style=normal,
+ before=\blank,
+ after=\blank]
+
+% Hans doesn't like the bookmarks opening by default so we comment this:
+%
+% \setupinteractionscreen
+% [option=bookmark]
+
+\startbuffer[stylecalculations]
+
+ \normalexpanded{\definemeasure[spinewidth] [0pt]}
+ \normalexpanded{\definemeasure[paperwidth] [\the\paperwidth ]}
+ \normalexpanded{\definemeasure[paperheight][\the\paperheight]}
+ \normalexpanded{\definemeasure[spreadwidth][\measure{paperwidth}]}
+
+\stopbuffer
+
+\getbuffer[stylecalculations]
+
+\dontcomplain
+
+\environment luametatex-logos
+
+\defineregister[topicindex]
+\defineregister[primitiveindex]
+\defineregister[callbackindex]
+\defineregister[nodeindex]
+\defineregister[libraryindex]
+
+\unexpanded\def\lpr#1{\doifmode{*bodypart}{\primitiveindex[#1]{\bf\tex {#1}}}\tex {#1}}
+\unexpanded\def\prm#1{\doifmode{*bodypart}{\primitiveindex[#1]{\tex {#1}}}\tex {#1}}
+\unexpanded\def\orm#1{\doifmode{*bodypart}{\primitiveindex[#1]{\tex {#1}}}\tex {#1}}
+\unexpanded\def\cbk#1{\doifmode{*bodypart}{\callbackindex [#1]{\type {#1}}}\type{#1}}
+\unexpanded\def\nod#1{\doifmode{*bodypart}{\nodeindex [#1]{\bf\type{#1}}}\type{#1}}
+\unexpanded\def\whs#1{\doifmode{*bodypart}{\nodeindex [#1]{\type {#1}}}\type{#1}}
+\unexpanded\def\noa#1{\doifmode{*bodypart}{\nodeindex [#1]{\type {#1}}}\type{#1}}
+
+\hyphenation{sub-nodes}
+
+\def\currentlibraryindex{\namedstructureuservariable{section}{library}}
+
+\setupregister
+ [libraryindex]
+ [indicator=no,before=]
+
+\setupregister
+ [libraryindex]
+ [1]
+ [textstyle=\ttbf]
+
+\setupregister
+ [libraryindex]
+ [2]
+ [textstyle=\tttf]
+
+\unexpanded\def\lib #1{\doifmode{*bodypart}{\expanded{\libraryindex{\currentlibraryindex+#1}}\type{\currentlibraryindex.#1}}}
+\unexpanded\def\libindex#1{\doifmode{*bodypart}{\expanded{\libraryindex{\currentlibraryindex+#1}}}}
+\unexpanded\def\libidx#1#2{\doifmode{*bodypart}{\expanded{\libraryindex{#1+#2}}\type{#1.#2}}}
+\unexpanded\def\lix #1#2{\doifmode{*bodypart}{\expanded{\libraryindex{#1+#2}}}}
+
+% \setstructurepageregister[][keys:1=,entries:1=]
+
+\stopenvironment