2021-11-24 15:18:00

30 files changed, 806 insertions, 150 deletions

diff --git a/context/data/scite/context/lexers/data/scite-context-data-tex.lua b/context/data/scite/context/lexers/data/scite-context-data-tex.lua
index efc689e4c..d1d78a462 100644
--- a/context/data/scite/context/lexers/data/scite-context-data-tex.lua
+++ b/context/data/scite/context/lexers/data/scite-context-data-tex.lua
@@ -1,7 +1,7 @@
 return {
  ["aleph"]={ "Alephminorversion", "Alephrevision", "Alephversion" },
  ["etex"]={ "botmarks", "clubpenalties", "currentgrouplevel", "currentgrouptype", "currentifbranch", "currentiflevel", "currentiftype", "detokenize", "dimexpr", "displaywidowpenalties", "everyeof", "firstmarks", "fontchardp", "fontcharht", "fontcharic", "fontcharwd", "glueexpr", "glueshrink", "glueshrinkorder", "gluestretch", "gluestretchorder", "gluetomu", "ifcsname", "ifdefined", "iffontchar", "interactionmode", "interlinepenalties", "lastlinefit", "lastnodetype", "marks", "muexpr", "mutoglue", "numexpr", "pagediscards", "parshapedimen", "parshapeindent", "parshapelength", "predisplaydirection", "protected", "savinghyphcodes", "savingvdiscards", "scantokens", "showgroups", "showifs", "showtokens", "splitbotmarks", "splitdiscards", "splitfirstmarks", "topmarks", "tracingassigns", "tracinggroups", "tracingifs", "tracinglevels", "tracingnesting", "unexpanded", "unless", "widowpenalties" },
- ["luatex"]={ "UUskewed", "UUskewedwithdelims", "Uabove", "Uabovewithdelims", "Uatop", "Uatopwithdelims", "Uchar", "Udelcode", "Udelcodenum", "Udelimiter", "Udelimiterover", "Udelimiterunder", "Uhextensible", "Uleft", "Umathaccent", "Umathaccentbaseheight", "Umathaccentvariant", "Umathadapttoleft", "Umathadapttoright", "Umathaxis", "Umathbinbinspacing", "Umathbinclosespacing", "Umathbininnerspacing", "Umathbinopenspacing", "Umathbinopspacing", "Umathbinordspacing", "Umathbinpunctspacing", "Umathbinrelspacing", "Umathbotaccentvariant", "Umathchar", "Umathcharclass", "Umathchardef", "Umathcharfam", "Umathcharnum", "Umathcharnumdef", "Umathcharslot", "Umathclass", "Umathclosebinspacing", "Umathcloseclosespacing", "Umathcloseinnerspacing", "Umathcloseopenspacing", "Umathcloseopspacing", "Umathcloseordspacing", "Umathclosepunctspacing", "Umathcloserelspacing", "Umathcode", "Umathcodenum", "Umathconnectoroverlapmin", "Umathdegreevariant", "Umathdelimiterovervariant", "Umathdelimiterundervariant", "Umathdenominatorvariant", "Umathextrasubpreshift", "Umathextrasubshift", "Umathextrasuppreshift", "Umathextrasupshift", "Umathfractiondelsize", "Umathfractiondenomdown", "Umathfractiondenomvgap", "Umathfractionnumup", "Umathfractionnumvgap", "Umathfractionrule", "Umathfractionvariant", "Umathhextensiblevariant", "Umathinnerbinspacing", "Umathinnerclosespacing", "Umathinnerinnerspacing", "Umathinneropenspacing", "Umathinneropspacing", "Umathinnerordspacing", "Umathinnerpunctspacing", "Umathinnerrelspacing", "Umathlimitabovebgap", "Umathlimitabovekern", "Umathlimitabovevgap", "Umathlimitbelowbgap", "Umathlimitbelowkern", "Umathlimitbelowvgap", "Umathlimits", "Umathnoaxis", "Umathnolimits", "Umathnolimitsubfactor", "Umathnolimitsupfactor", "Umathnumeratorvariant", "Umathopbinspacing", "Umathopclosespacing", "Umathopenbinspacing", "Umathopenclosespacing", "Umathopeninnerspacing", "Umathopenopenspacing", "Umathopenopspacing", "Umathopenordspacing", "Umathopenpunctspacing", "Umathopenrelspacing", "Umathopenupdepth", "Umathopenupheight", "Umathoperatorsize", "Umathopinnerspacing", "Umathopopenspacing", "Umathopopspacing", "Umathopordspacing", "Umathoppunctspacing", "Umathoprelspacing", "Umathordbinspacing", "Umathordclosespacing", "Umathordinnerspacing", "Umathordopenspacing", "Umathordopspacing", "Umathordordspacing", "Umathordpunctspacing", "Umathordrelspacing", "Umathoverbarkern", "Umathoverbarrule", "Umathoverbarvgap", "Umathoverdelimiterbgap", "Umathoverdelimitervariant", "Umathoverdelimitervgap", "Umathoverlayaccentvariant", "Umathoverlinevariant", "Umathphantom", "Umathpunctbinspacing", "Umathpunctclosespacing", "Umathpunctinnerspacing", "Umathpunctopenspacing", "Umathpunctopspacing", "Umathpunctordspacing", "Umathpunctpunctspacing", "Umathpunctrelspacing", "Umathquad", "Umathradicaldegreeafter", "Umathradicaldegreebefore", "Umathradicaldegreeraise", "Umathradicalkern", "Umathradicalrule", "Umathradicalvariant", "Umathradicalvgap", "Umathrelbinspacing", "Umathrelclosespacing", "Umathrelinnerspacing", "Umathrelopenspacing", "Umathrelopspacing", "Umathrelordspacing", "Umathrelpunctspacing", "Umathrelrelspacing", "Umathskewedfractionhgap", "Umathskewedfractionvgap", "Umathspaceafterscript", "Umathspacebeforescript", "Umathspacingmode", "Umathstackdenomdown", "Umathstacknumup", "Umathstackvariant", "Umathstackvgap", "Umathsubscriptvariant", "Umathsubshiftdown", "Umathsubshiftdrop", "Umathsubsupshiftdown", "Umathsubsupvgap", "Umathsubtopmax", "Umathsupbottommin", "Umathsuperscriptvariant", "Umathsupshiftdrop", "Umathsupshiftup", "Umathsupsubbottommax", "Umathtopaccentvariant", "Umathunderbarkern", "Umathunderbarrule", "Umathunderbarvgap", "Umathunderdelimiterbgap", "Umathunderdelimitervariant", "Umathunderdelimitervgap", "Umathunderlinevariant", "Umathvextensiblevariant", "Umathvoid", "Umiddle", "Unosubprescript", "Unosubscript", "Unosuperprescript", "Unosuperscript", "Uover", "Uoverdelimiter", "Uoverwithdelims", "Uradical", "Uright", "Uroot", "Uskewed", "Uskewedwithdelims", "Ustack", "Ustartdisplaymath", "Ustartmath", "Ustopdisplaymath", "Ustopmath", "Ustyle", "Usubprescript", "Usubscript", "Usuperprescript", "Usuperscript", "Uunderdelimiter", "Uvextensible", "adjustspacing", "adjustspacingshrink", "adjustspacingstep", "adjustspacingstretch", "afterassigned", "aftergrouped", "aliased", "alignmark", "aligntab", "atendofgroup", "atendofgrouped", "attribute", "attributedef", "automaticdiscretionary", "automatichyphenpenalty", "automigrationmode", "autoparagraphmode", "begincsname", "beginlocalcontrol", "boundary", "boxattribute", "boxdirection", "boxorientation", "boxtotal", "boxxmove", "boxxoffset", "boxymove", "boxyoffset", "catcodetable", "clearmarks", "crampeddisplaystyle", "crampedscriptscriptstyle", "crampedscriptstyle", "crampedtextstyle", "csstring", "currentmarks", "defcsname", "dimensiondef", "dimexpression", "directlua", "edefcsname", "efcode", "endlocalcontrol", "enforced", "etoksapp", "etokspre", "everybeforepar", "everytab", "exceptionpenalty", "expand", "expandafterpars", "expandafterspaces", "expandcstoken", "expanded", "expandtoken", "explicitdiscretionary", "explicithyphenpenalty", "firstvalidlanguage", "flushmarks", "fontid", "fontmathcontrol", "fontspecdef", "fontspecid", "fontspecifiedsize", "fontspecscale", "fontspecxscale", "fontspecyscale", "fonttextcontrol", "formatname", "frozen", "futurecsname", "futuredef", "futureexpand", "futureexpandis", "futureexpandisap", "gdefcsname", "gleaders", "glet", "gletcsname", "glettonothing", "gluespecdef", "glyphdatafield", "glyphoptions", "glyphscale", "glyphscriptfield", "glyphscriptscale", "glyphscriptscriptscale", "glyphstatefield", "glyphtextscale", "glyphxoffset", "glyphxscale", "glyphyoffset", "glyphyscale", "gtoksapp", "gtokspre", "hccode", "hjcode", "hpack", "hyphenationmin", "hyphenationmode", "ifabsdim", "ifabsnum", "ifarguments", "ifboolean", "ifchkdim", "ifchknum", "ifcmpdim", "ifcmpnum", "ifcondition", "ifcstok", "ifdimexpression", "ifdimval", "ifempty", "ifflags", "ifhaschar", "ifhastok", "ifhastoks", "ifhasxtoks", "ifincsname", "ifinsert", "ifmathparameter", "ifmathstyle", "ifnumexpression", "ifnumval", "ifparameter", "ifparameters", "ifrelax", "iftok", "ignorearguments", "ignorepars", "immediate", "immutable", "initcatcodetable", "insertbox", "insertcopy", "insertdepth", "insertdistance", "insertheight", "insertheights", "insertlimit", "insertmaxdepth", "insertmode", "insertmultiplier", "insertpenalty", "insertprogress", "insertstorage", "insertstoring", "insertunbox", "insertuncopy", "insertwidth", "instance", "integerdef", "lastarguments", "lastchkdim", "lastchknum", "lastnamedcs", "lastnodesubtype", "lastparcontext", "leftmarginkern", "letcharcode", "letcsname", "letfrozen", "letprotected", "lettonothing", "linedirection", "localbrokenpenalty", "localcontrol", "localcontrolled", "localinterlinepenalty", "localleftbox", "localleftboxbox", "localmiddlebox", "localmiddleboxbox", "localrightbox", "localrightboxbox", "lpcode", "luabytecode", "luabytecodecall", "luacopyinputnodes", "luadef", "luaescapestring", "luafunction", "luafunctioncall", "luatexbanner", "luatexrevision", "luatexversion", "mathcontrolmode", "mathdelimitersmode", "mathdirection", "mathdisplayskipmode", "matheqnogapstep", "mathflattenmode", "mathfontcontrol", "mathlimitsmode", "mathnolimitsmode", "mathpenaltiesmode", "mathrulesfam", "mathrulesmode", "mathrulethicknessmode", "mathscale", "mathscriptboxmode", "mathscriptcharmode", "mathscriptsmode", "mathstyle", "mathsurroundmode", "mathsurroundskip", "mugluespecdef", "mutable", "noaligned", "noboundary", "nohrule", "norelax", "normalizelinemode", "nospaces", "novrule", "numericscale", "numexpression", "orelse", "orphanpenalties", "orphanpenalty", "orunless", "outputbox", "overloaded", "overloadmode", "pageboundary", "pagevsize", "parametercount", "parametermark", "parattribute", "pardirection", "permanent", "postexhyphenchar", "posthyphenchar", "prebinoppenalty", "predisplaygapfactor", "preexhyphenchar", "prehyphenchar", "prerelpenalty", "protrudechars", "protrusionboundary", "pxdimen", "quitvmode", "retokenized", "rightmarginkern", "rpcode", "savecatcodetable", "scantextokens", "semiexpanded", "semiprotected", "setfontid", "shapingpenaltiesmode", "shapingpenalty", "snapshotpar", "supmarkmode", "swapcsvalues", "tabsize", "textdirection", "thewithoutunit", "tokenized", "toksapp", "tokspre", "tolerant", "tpack", "tracingadjusts", "tracingalignments", "tracingexpressions", "tracingfonts", "tracingfullboxes", "tracinghyphenation", "tracinginserts", "tracingmarks", "tracingmath", "undent", "unletfrozen", "unletprotected", "untraced", "vpack", "wordboundary", "wrapuppar", "xdefcsname", "xtoksapp", "xtokspre" },
+ ["luatex"]={ "UUskewed", "UUskewedwithdelims", "Uabove", "Uabovewithdelims", "Uatop", "Uatopwithdelims", "Uchar", "Udelcode", "Udelcodenum", "Udelimiter", "Udelimiterover", "Udelimiterunder", "Uhextensible", "Uleft", "Umathaccent", "Umathaccentbaseheight", "Umathaccentvariant", "Umathadapttoleft", "Umathadapttoright", "Umathaxis", "Umathbinbinspacing", "Umathbinclosespacing", "Umathbininnerspacing", "Umathbinopenspacing", "Umathbinopspacing", "Umathbinordspacing", "Umathbinpunctspacing", "Umathbinrelspacing", "Umathbotaccentvariant", "Umathchar", "Umathcharclass", "Umathchardef", "Umathcharfam", "Umathcharnum", "Umathcharnumdef", "Umathcharslot", "Umathclass", "Umathclosebinspacing", "Umathcloseclosespacing", "Umathcloseinnerspacing", "Umathcloseopenspacing", "Umathcloseopspacing", "Umathcloseordspacing", "Umathclosepunctspacing", "Umathcloserelspacing", "Umathcode", "Umathcodenum", "Umathconnectoroverlapmin", "Umathdegreevariant", "Umathdelimiterovervariant", "Umathdelimiterundervariant", "Umathdenominatorvariant", "Umathextrasubpreshift", "Umathextrasubshift", "Umathextrasuppreshift", "Umathextrasupshift", "Umathfractiondelsize", "Umathfractiondenomdown", "Umathfractiondenomvgap", "Umathfractionnumup", "Umathfractionnumvgap", "Umathfractionrule", "Umathfractionvariant", "Umathhextensiblevariant", "Umathinnerbinspacing", "Umathinnerclosespacing", "Umathinnerinnerspacing", "Umathinneropenspacing", "Umathinneropspacing", "Umathinnerordspacing", "Umathinnerpunctspacing", "Umathinnerrelspacing", "Umathlimitabovebgap", "Umathlimitabovekern", "Umathlimitabovevgap", "Umathlimitbelowbgap", "Umathlimitbelowkern", "Umathlimitbelowvgap", "Umathlimits", "Umathnoaxis", "Umathnolimits", "Umathnolimitsubfactor", "Umathnolimitsupfactor", "Umathnumeratorvariant", "Umathopbinspacing", "Umathopclosespacing", "Umathopenbinspacing", "Umathopenclosespacing", "Umathopeninnerspacing", "Umathopenopenspacing", "Umathopenopspacing", "Umathopenordspacing", "Umathopenpunctspacing", "Umathopenrelspacing", "Umathopenupdepth", "Umathopenupheight", "Umathoperatorsize", "Umathopinnerspacing", "Umathopopenspacing", "Umathopopspacing", "Umathopordspacing", "Umathoppunctspacing", "Umathoprelspacing", "Umathordbinspacing", "Umathordclosespacing", "Umathordinnerspacing", "Umathordopenspacing", "Umathordopspacing", "Umathordordspacing", "Umathordpunctspacing", "Umathordrelspacing", "Umathoverbarkern", "Umathoverbarrule", "Umathoverbarvgap", "Umathoverdelimiterbgap", "Umathoverdelimitervariant", "Umathoverdelimitervgap", "Umathoverlayaccentvariant", "Umathoverlinevariant", "Umathphantom", "Umathpunctbinspacing", "Umathpunctclosespacing", "Umathpunctinnerspacing", "Umathpunctopenspacing", "Umathpunctopspacing", "Umathpunctordspacing", "Umathpunctpunctspacing", "Umathpunctrelspacing", "Umathquad", "Umathradicaldegreeafter", "Umathradicaldegreebefore", "Umathradicaldegreeraise", "Umathradicalkern", "Umathradicalrule", "Umathradicalvariant", "Umathradicalvgap", "Umathrelbinspacing", "Umathrelclosespacing", "Umathrelinnerspacing", "Umathrelopenspacing", "Umathrelopspacing", "Umathrelordspacing", "Umathrelpunctspacing", "Umathrelrelspacing", "Umathskewedfractionhgap", "Umathskewedfractionvgap", "Umathspaceafterscript", "Umathspacebeforescript", "Umathspacingmode", "Umathstackdenomdown", "Umathstacknumup", "Umathstackvariant", "Umathstackvgap", "Umathsubscriptvariant", "Umathsubshiftdown", "Umathsubshiftdrop", "Umathsubsupshiftdown", "Umathsubsupvgap", "Umathsubtopmax", "Umathsupbottommin", "Umathsuperscriptvariant", "Umathsupshiftdrop", "Umathsupshiftup", "Umathsupsubbottommax", "Umathtopaccentvariant", "Umathunderbarkern", "Umathunderbarrule", "Umathunderbarvgap", "Umathunderdelimiterbgap", "Umathunderdelimitervariant", "Umathunderdelimitervgap", "Umathunderlinevariant", "Umathvextensiblevariant", "Umathvoid", "Umathxscale", "Umathyscale", "Umiddle", "Unosubprescript", "Unosubscript", "Unosuperprescript", "Unosuperscript", "Uover", "Uoverdelimiter", "Uoverwithdelims", "Uradical", "Uright", "Uroot", "Uskewed", "Uskewedwithdelims", "Ustack", "Ustartdisplaymath", "Ustartmath", "Ustopdisplaymath", "Ustopmath", "Ustyle", "Usubprescript", "Usubscript", "Usuperprescript", "Usuperscript", "Uunderdelimiter", "Uvextensible", "adjustspacing", "adjustspacingshrink", "adjustspacingstep", "adjustspacingstretch", "afterassigned", "aftergrouped", "aliased", "alignmark", "aligntab", "atendofgroup", "atendofgrouped", "attribute", "attributedef", "automaticdiscretionary", "automatichyphenpenalty", "automigrationmode", "autoparagraphmode", "begincsname", "beginlocalcontrol", "boundary", "boxattribute", "boxdirection", "boxorientation", "boxtotal", "boxxmove", "boxxoffset", "boxymove", "boxyoffset", "catcodetable", "clearmarks", "crampeddisplaystyle", "crampedscriptscriptstyle", "crampedscriptstyle", "crampedtextstyle", "csstring", "currentmarks", "defcsname", "dimensiondef", "dimexpression", "directlua", "edefcsname", "efcode", "endlocalcontrol", "enforced", "etoksapp", "etokspre", "everybeforepar", "everytab", "exceptionpenalty", "expand", "expandafterpars", "expandafterspaces", "expandcstoken", "expanded", "expandtoken", "explicitdiscretionary", "explicithyphenpenalty", "firstvalidlanguage", "flushmarks", "fontid", "fontmathcontrol", "fontspecdef", "fontspecid", "fontspecifiedsize", "fontspecscale", "fontspecxscale", "fontspecyscale", "fonttextcontrol", "formatname", "frozen", "futurecsname", "futuredef", "futureexpand", "futureexpandis", "futureexpandisap", "gdefcsname", "gleaders", "glet", "gletcsname", "glettonothing", "gluespecdef", "glyphdatafield", "glyphoptions", "glyphscale", "glyphscriptfield", "glyphscriptscale", "glyphscriptscriptscale", "glyphstatefield", "glyphtextscale", "glyphxoffset", "glyphxscale", "glyphyoffset", "glyphyscale", "gtoksapp", "gtokspre", "hccode", "hjcode", "hpack", "hyphenationmin", "hyphenationmode", "ifabsdim", "ifabsnum", "ifarguments", "ifboolean", "ifchkdim", "ifchknum", "ifcmpdim", "ifcmpnum", "ifcondition", "ifcstok", "ifdimexpression", "ifdimval", "ifempty", "ifflags", "ifhaschar", "ifhastok", "ifhastoks", "ifhasxtoks", "ifincsname", "ifinsert", "ifmathparameter", "ifmathstyle", "ifnumexpression", "ifnumval", "ifparameter", "ifparameters", "ifrelax", "iftok", "ignorearguments", "ignorepars", "immediate", "immutable", "initcatcodetable", "insertbox", "insertcopy", "insertdepth", "insertdistance", "insertheight", "insertheights", "insertlimit", "insertmaxdepth", "insertmode", "insertmultiplier", "insertpenalty", "insertprogress", "insertstorage", "insertstoring", "insertunbox", "insertuncopy", "insertwidth", "instance", "integerdef", "lastarguments", "lastchkdim", "lastchknum", "lastnamedcs", "lastnodesubtype", "lastparcontext", "leftmarginkern", "letcharcode", "letcsname", "letfrozen", "letprotected", "lettonothing", "linedirection", "localbrokenpenalty", "localcontrol", "localcontrolled", "localinterlinepenalty", "localleftbox", "localleftboxbox", "localmiddlebox", "localmiddleboxbox", "localrightbox", "localrightboxbox", "lpcode", "luabytecode", "luabytecodecall", "luacopyinputnodes", "luadef", "luaescapestring", "luafunction", "luafunctioncall", "luatexbanner", "luatexrevision", "luatexversion", "mathcontrolmode", "mathdelimitersmode", "mathdirection", "mathdisplayskipmode", "matheqnogapstep", "mathflattenmode", "mathfontcontrol", "mathlimitsmode", "mathnolimitsmode", "mathpenaltiesmode", "mathrulesfam", "mathrulesmode", "mathrulethicknessmode", "mathscale", "mathscriptboxmode", "mathscriptcharmode", "mathscriptsmode", "mathstyle", "mathsurroundmode", "mathsurroundskip", "mugluespecdef", "mutable", "noaligned", "noboundary", "nohrule", "norelax", "normalizelinemode", "nospaces", "novrule", "numericscale", "numexpression", "orelse", "orphanpenalties", "orphanpenalty", "orunless", "outputbox", "overloaded", "overloadmode", "pageboundary", "pagevsize", "parametercount", "parametermark", "parattribute", "pardirection", "permanent", "postexhyphenchar", "posthyphenchar", "prebinoppenalty", "predisplaygapfactor", "preexhyphenchar", "prehyphenchar", "prerelpenalty", "protrudechars", "protrusionboundary", "pxdimen", "quitvmode", "retokenized", "rightmarginkern", "rpcode", "savecatcodetable", "scantextokens", "semiexpanded", "semiprotected", "setfontid", "shapingpenaltiesmode", "shapingpenalty", "snapshotpar", "supmarkmode", "swapcsvalues", "tabsize", "textdirection", "thewithoutunit", "tokenized", "toksapp", "tokspre", "tolerant", "tpack", "tracingadjusts", "tracingalignments", "tracingexpressions", "tracingfonts", "tracingfullboxes", "tracinghyphenation", "tracinginserts", "tracingmarks", "tracingmath", "undent", "unletfrozen", "unletprotected", "untraced", "vpack", "wordboundary", "wrapuppar", "xdefcsname", "xtoksapp", "xtokspre" },
  ["omega"]={ "Omegaminorversion", "Omegarevision", "Omegaversion" },
  ["pdftex"]={ "ifpdfabsdim", "ifpdfabsnum", "ifpdfprimitive", "pdfadjustspacing", "pdfannot", "pdfcatalog", "pdfcolorstack", "pdfcolorstackinit", "pdfcompresslevel", "pdfcopyfont", "pdfcreationdate", "pdfdecimaldigits", "pdfdest", "pdfdestmargin", "pdfdraftmode", "pdfeachlinedepth", "pdfeachlineheight", "pdfendlink", "pdfendthread", "pdffirstlineheight", "pdffontattr", "pdffontexpand", "pdffontname", "pdffontobjnum", "pdffontsize", "pdfgamma", "pdfgentounicode", "pdfglyphtounicode", "pdfhorigin", "pdfignoreddimen", "pdfignoreunknownimages", "pdfimageaddfilename", "pdfimageapplygamma", "pdfimagegamma", "pdfimagehicolor", "pdfimageresolution", "pdfincludechars", "pdfinclusioncopyfonts", "pdfinclusionerrorlevel", "pdfinfo", "pdfinfoomitdate", "pdfinsertht", "pdflastannot", "pdflastlinedepth", "pdflastlink", "pdflastobj", "pdflastxform", "pdflastximage", "pdflastximagepages", "pdflastxpos", "pdflastypos", "pdflinkmargin", "pdfliteral", "pdfmajorversion", "pdfmapfile", "pdfmapline", "pdfminorversion", "pdfnames", "pdfnoligatures", "pdfnormaldeviate", "pdfobj", "pdfobjcompresslevel", "pdfomitcharset", "pdfomitcidset", "pdfoutline", "pdfoutput", "pdfpageattr", "pdfpagebox", "pdfpageheight", "pdfpageref", "pdfpageresources", "pdfpagesattr", "pdfpagewidth", "pdfpkfixeddpi", "pdfpkmode", "pdfpkresolution", "pdfprimitive", "pdfprotrudechars", "pdfpxdimen", "pdfrandomseed", "pdfrecompress", "pdfrefobj", "pdfrefxform", "pdfrefximage", "pdfreplacefont", "pdfrestore", "pdfretval", "pdfsave", "pdfsavepos", "pdfsetmatrix", "pdfsetrandomseed", "pdfstartlink", "pdfstartthread", "pdfsuppressoptionalinfo", "pdfsuppressptexinfo", "pdftexbanner", "pdftexrevision", "pdftexversion", "pdfthread", "pdfthreadmargin", "pdftracingfonts", "pdftrailer", "pdftrailerid", "pdfuniformdeviate", "pdfuniqueresname", "pdfvorigin", "pdfxform", "pdfxformattr", "pdfxformmargin", "pdfxformname", "pdfxformresources", "pdfximage" },
  ["tex"]={ " ", "-", "/", "above", "abovedisplayshortskip", "abovedisplayskip", "abovewithdelims", "accent", "adjdemerits", "advance", "afterassignment", "aftergroup", "aligncontent", "atop", "atopwithdelims", "badness", "baselineskip", "batchmode", "begingroup", "beginsimplegroup", "belowdisplayshortskip", "belowdisplayskip", "binoppenalty", "botmark", "box", "boxmaxdepth", "brokenpenalty", "catcode", "char", "chardef", "cleaders", "clubpenalty", "copy", "count", "countdef", "cr", "crcr", "csname", "day", "deadcycles", "def", "defaulthyphenchar", "defaultskewchar", "delcode", "delimiter", "delimiterfactor", "delimitershortfall", "dimen", "dimendef", "discretionary", "displayindent", "displaylimits", "displaystyle", "displaywidowpenalty", "displaywidth", "divide", "doublehyphendemerits", "dp", "dump", "edef", "else", "emergencystretch", "end", "endcsname", "endgroup", "endinput", "endlinechar", "endsimplegroup", "eqno", "errhelp", "errmessage", "errorcontextlines", "errorstopmode", "escapechar", "everycr", "everydisplay", "everyhbox", "everyjob", "everymath", "everypar", "everyvbox", "exhyphenchar", "exhyphenpenalty", "expandafter", "fam", "fi", "finalhyphendemerits", "firstmark", "floatingpenalty", "font", "fontdimen", "fontname", "fontspecifiedname", "futurelet", "gdef", "global", "globaldefs", "glyph", "halign", "hangafter", "hangindent", "hbadness", "hbox", "hfil", "hfill", "hfilneg", "hfuzz", "holdinginserts", "hrule", "hsize", "hskip", "hss", "ht", "hyphenation", "hyphenchar", "hyphenpenalty", "if", "ifcase", "ifcat", "ifdim", "iffalse", "ifhbox", "ifhmode", "ifinner", "ifmmode", "ifnum", "ifodd", "iftrue", "ifvbox", "ifvmode", "ifvoid", "ifx", "ignorespaces", "indent", "input", "inputlineno", "insert", "insertpenalties", "interlinepenalty", "jobname", "kern", "language", "lastbox", "lastkern", "lastpenalty", "lastskip", "lccode", "leaders", "left", "lefthyphenmin", "leftskip", "leqno", "let", "limits", "linepenalty", "lineskip", "lineskiplimit", "long", "looseness", "lower", "lowercase", "mark", "mathaccent", "mathbin", "mathchar", "mathchardef", "mathchoice", "mathclose", "mathcode", "mathinner", "mathop", "mathopen", "mathord", "mathpunct", "mathrel", "mathsurround", "maxdeadcycles", "maxdepth", "meaning", "meaningasis", "meaningfull", "meaningless", "medmuskip", "message", "middle", "mkern", "month", "moveleft", "moveright", "mskip", "multiply", "muskip", "muskipdef", "newlinechar", "noalign", "noexpand", "noindent", "nolimits", "nonscript", "nonstopmode", "nulldelimiterspace", "nullfont", "number", "omit", "or", "outer", "output", "outputpenalty", "over", "overfullrule", "overline", "overshoot", "overwithdelims", "pagedepth", "pagefilllstretch", "pagefillstretch", "pagefilstretch", "pagegoal", "pageshrink", "pagestretch", "pagetotal", "par", "parfillleftskip", "parfillskip", "parindent", "parshape", "parskip", "patterns", "pausing", "penalty", "postdisplaypenalty", "predisplaypenalty", "predisplaysize", "pretolerance", "prevdepth", "prevgraf", "radical", "raise", "relax", "relpenalty", "right", "righthyphenmin", "rightskip", "romannumeral", "scaledfontdimen", "scriptfont", "scriptscriptfont", "scriptscriptstyle", "scriptspace", "scriptstyle", "scrollmode", "setbox", "setlanguage", "sfcode", "shipout", "show", "showbox", "showboxbreadth", "showboxdepth", "showlists", "shownodedetails", "showthe", "skewchar", "skip", "skipdef", "spacefactor", "spaceskip", "span", "splitbotmark", "splitfirstmark", "splitmaxdepth", "splittopskip", "string", "tabskip", "textfont", "textstyle", "the", "thickmuskip", "thinmuskip", "time", "todimension", "tointeger", "toks", "toksdef", "tolerance", "topmark", "topskip", "toscaled", "tracingcommands", "tracinglostchars", "tracingmacros", "tracingonline", "tracingoutput", "tracingpages", "tracingparagraphs", "tracingrestores", "tracingstats", "uccode", "uchyph", "underline", "unhbox", "unhcopy", "unhpack", "unkern", "unpenalty", "unskip", "unvbox", "unvcopy", "unvpack", "uppercase", "vadjust", "valign", "vbadness", "vbox", "vcenter", "vfil", "vfill", "vfilneg", "vfuzz", "vrule", "vsize", "vskip", "vsplit", "vss", "vtop", "wd", "widowpenalty", "xdef", "xleaders", "xspaceskip", "year" },
diff --git a/context/data/scite/context/scite-context-data-tex.properties b/context/data/scite/context/scite-context-data-tex.properties
index 456353729..e23e042cb 100644
--- a/context/data/scite/context/scite-context-data-tex.properties
+++ b/context/data/scite/context/scite-context-data-tex.properties
@@ -51,68 +51,68 @@ Umathsubshiftdown Umathsubshiftdrop Umathsubsupshiftdown Umathsubsupvgap Umathsu
 Umathsupbottommin Umathsuperscriptvariant Umathsupshiftdrop Umathsupshiftup Umathsupsubbottommax \
 Umathtopaccentvariant Umathunderbarkern Umathunderbarrule Umathunderbarvgap Umathunderdelimiterbgap \
 Umathunderdelimitervariant Umathunderdelimitervgap Umathunderlinevariant Umathvextensiblevariant Umathvoid \
-Umiddle Unosubprescript Unosubscript Unosuperprescript Unosuperscript \
-Uover Uoverdelimiter Uoverwithdelims Uradical Uright \
-Uroot Uskewed Uskewedwithdelims Ustack Ustartdisplaymath \
-Ustartmath Ustopdisplaymath Ustopmath Ustyle Usubprescript \
-Usubscript Usuperprescript Usuperscript Uunderdelimiter Uvextensible \
-adjustspacing adjustspacingshrink adjustspacingstep adjustspacingstretch afterassigned \
-aftergrouped aliased alignmark aligntab atendofgroup \
-atendofgrouped attribute attributedef automaticdiscretionary automatichyphenpenalty \
-automigrationmode autoparagraphmode begincsname beginlocalcontrol boundary \
-boxattribute boxdirection boxorientation boxtotal boxxmove \
-boxxoffset boxymove boxyoffset catcodetable clearmarks \
-crampeddisplaystyle crampedscriptscriptstyle crampedscriptstyle crampedtextstyle csstring \
-currentmarks defcsname dimensiondef dimexpression directlua \
-edefcsname efcode endlocalcontrol enforced etoksapp \
-etokspre everybeforepar everytab exceptionpenalty expand \
-expandafterpars expandafterspaces expandcstoken expanded expandtoken \
-explicitdiscretionary explicithyphenpenalty firstvalidlanguage flushmarks fontid \
-fontmathcontrol fontspecdef fontspecid fontspecifiedsize fontspecscale \
-fontspecxscale fontspecyscale fonttextcontrol formatname frozen \
-futurecsname futuredef futureexpand futureexpandis futureexpandisap \
-gdefcsname gleaders glet gletcsname glettonothing \
-gluespecdef glyphdatafield glyphoptions glyphscale glyphscriptfield \
-glyphscriptscale glyphscriptscriptscale glyphstatefield glyphtextscale glyphxoffset \
-glyphxscale glyphyoffset glyphyscale gtoksapp gtokspre \
-hccode hjcode hpack hyphenationmin hyphenationmode \
-ifabsdim ifabsnum ifarguments ifboolean ifchkdim \
-ifchknum ifcmpdim ifcmpnum ifcondition ifcstok \
-ifdimexpression ifdimval ifempty ifflags ifhaschar \
-ifhastok ifhastoks ifhasxtoks ifincsname ifinsert \
-ifmathparameter ifmathstyle ifnumexpression ifnumval ifparameter \
-ifparameters ifrelax iftok ignorearguments ignorepars \
-immediate immutable initcatcodetable insertbox insertcopy \
-insertdepth insertdistance insertheight insertheights insertlimit \
-insertmaxdepth insertmode insertmultiplier insertpenalty insertprogress \
-insertstorage insertstoring insertunbox insertuncopy insertwidth \
-instance integerdef lastarguments lastchkdim lastchknum \
-lastnamedcs lastnodesubtype lastparcontext leftmarginkern letcharcode \
-letcsname letfrozen letprotected lettonothing linedirection \
-localbrokenpenalty localcontrol localcontrolled localinterlinepenalty localleftbox \
-localleftboxbox localmiddlebox localmiddleboxbox localrightbox localrightboxbox \
-lpcode luabytecode luabytecodecall luacopyinputnodes luadef \
-luaescapestring luafunction luafunctioncall luatexbanner luatexrevision \
-luatexversion mathcontrolmode mathdelimitersmode mathdirection mathdisplayskipmode \
-matheqnogapstep mathflattenmode mathfontcontrol mathlimitsmode mathnolimitsmode \
-mathpenaltiesmode mathrulesfam mathrulesmode mathrulethicknessmode mathscale \
-mathscriptboxmode mathscriptcharmode mathscriptsmode mathstyle mathsurroundmode \
-mathsurroundskip mugluespecdef mutable noaligned noboundary \
-nohrule norelax normalizelinemode nospaces novrule \
-numericscale numexpression orelse orphanpenalties orphanpenalty \
-orunless outputbox overloaded overloadmode pageboundary \
-pagevsize parametercount parametermark parattribute pardirection \
-permanent postexhyphenchar posthyphenchar prebinoppenalty predisplaygapfactor \
-preexhyphenchar prehyphenchar prerelpenalty protrudechars protrusionboundary \
-pxdimen quitvmode retokenized rightmarginkern rpcode \
-savecatcodetable scantextokens semiexpanded semiprotected setfontid \
-shapingpenaltiesmode shapingpenalty snapshotpar supmarkmode swapcsvalues \
-tabsize textdirection thewithoutunit tokenized toksapp \
-tokspre tolerant tpack tracingadjusts tracingalignments \
-tracingexpressions tracingfonts tracingfullboxes tracinghyphenation tracinginserts \
-tracingmarks tracingmath undent unletfrozen unletprotected \
-untraced vpack wordboundary wrapuppar xdefcsname \
-xtoksapp xtokspre 
+Umathxscale Umathyscale Umiddle Unosubprescript Unosubscript \
+Unosuperprescript Unosuperscript Uover Uoverdelimiter Uoverwithdelims \
+Uradical Uright Uroot Uskewed Uskewedwithdelims \
+Ustack Ustartdisplaymath Ustartmath Ustopdisplaymath Ustopmath \
+Ustyle Usubprescript Usubscript Usuperprescript Usuperscript \
+Uunderdelimiter Uvextensible adjustspacing adjustspacingshrink adjustspacingstep \
+adjustspacingstretch afterassigned aftergrouped aliased alignmark \
+aligntab atendofgroup atendofgrouped attribute attributedef \
+automaticdiscretionary automatichyphenpenalty automigrationmode autoparagraphmode begincsname \
+beginlocalcontrol boundary boxattribute boxdirection boxorientation \
+boxtotal boxxmove boxxoffset boxymove boxyoffset \
+catcodetable clearmarks crampeddisplaystyle crampedscriptscriptstyle crampedscriptstyle \
+crampedtextstyle csstring currentmarks defcsname dimensiondef \
+dimexpression directlua edefcsname efcode endlocalcontrol \
+enforced etoksapp etokspre everybeforepar everytab \
+exceptionpenalty expand expandafterpars expandafterspaces expandcstoken \
+expanded expandtoken explicitdiscretionary explicithyphenpenalty firstvalidlanguage \
+flushmarks fontid fontmathcontrol fontspecdef fontspecid \
+fontspecifiedsize fontspecscale fontspecxscale fontspecyscale fonttextcontrol \
+formatname frozen futurecsname futuredef futureexpand \
+futureexpandis futureexpandisap gdefcsname gleaders glet \
+gletcsname glettonothing gluespecdef glyphdatafield glyphoptions \
+glyphscale glyphscriptfield glyphscriptscale glyphscriptscriptscale glyphstatefield \
+glyphtextscale glyphxoffset glyphxscale glyphyoffset glyphyscale \
+gtoksapp gtokspre hccode hjcode hpack \
+hyphenationmin hyphenationmode ifabsdim ifabsnum ifarguments \
+ifboolean ifchkdim ifchknum ifcmpdim ifcmpnum \
+ifcondition ifcstok ifdimexpression ifdimval ifempty \
+ifflags ifhaschar ifhastok ifhastoks ifhasxtoks \
+ifincsname ifinsert ifmathparameter ifmathstyle ifnumexpression \
+ifnumval ifparameter ifparameters ifrelax iftok \
+ignorearguments ignorepars immediate immutable initcatcodetable \
+insertbox insertcopy insertdepth insertdistance insertheight \
+insertheights insertlimit insertmaxdepth insertmode insertmultiplier \
+insertpenalty insertprogress insertstorage insertstoring insertunbox \
+insertuncopy insertwidth instance integerdef lastarguments \
+lastchkdim lastchknum lastnamedcs lastnodesubtype lastparcontext \
+leftmarginkern letcharcode letcsname letfrozen letprotected \
+lettonothing linedirection localbrokenpenalty localcontrol localcontrolled \
+localinterlinepenalty localleftbox localleftboxbox localmiddlebox localmiddleboxbox \
+localrightbox localrightboxbox lpcode luabytecode luabytecodecall \
+luacopyinputnodes luadef luaescapestring luafunction luafunctioncall \
+luatexbanner luatexrevision luatexversion mathcontrolmode mathdelimitersmode \
+mathdirection mathdisplayskipmode matheqnogapstep mathflattenmode mathfontcontrol \
+mathlimitsmode mathnolimitsmode mathpenaltiesmode mathrulesfam mathrulesmode \
+mathrulethicknessmode mathscale mathscriptboxmode mathscriptcharmode mathscriptsmode \
+mathstyle mathsurroundmode mathsurroundskip mugluespecdef mutable \
+noaligned noboundary nohrule norelax normalizelinemode \
+nospaces novrule numericscale numexpression orelse \
+orphanpenalties orphanpenalty orunless outputbox overloaded \
+overloadmode pageboundary pagevsize parametercount parametermark \
+parattribute pardirection permanent postexhyphenchar posthyphenchar \
+prebinoppenalty predisplaygapfactor preexhyphenchar prehyphenchar prerelpenalty \
+protrudechars protrusionboundary pxdimen quitvmode retokenized \
+rightmarginkern rpcode savecatcodetable scantextokens semiexpanded \
+semiprotected setfontid shapingpenaltiesmode shapingpenalty snapshotpar \
+supmarkmode swapcsvalues tabsize textdirection thewithoutunit \
+tokenized toksapp tokspre tolerant tpack \
+tracingadjusts tracingalignments tracingexpressions tracingfonts tracingfullboxes \
+tracinghyphenation tracinginserts tracingmarks tracingmath undent \
+unletfrozen unletprotected untraced vpack wordboundary \
+wrapuppar xdefcsname xtoksapp xtokspre 
 
 keywordclass.tex.omega=\
 Omegaminorversion Omegarevision Omegaversion 
diff --git a/context/data/vscode/extensions/context/syntaxes/context-syntax-tex.json b/context/data/vscode/extensions/context/syntaxes/context-syntax-tex.json
index 12900b801..ff3b88375 100644
--- a/context/data/vscode/extensions/context/syntaxes/context-syntax-tex.json
+++ b/context/data/vscode/extensions/context/syntaxes/context-syntax-tex.json
@@ -216,7 +216,7 @@
    ]
   },
   "primitive" : {
-   "match" : 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)(?=[^a-zA-Z])",
+   "match" : 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alUmathordrelspacing|normalUmathordpunctspacing|normalUmathordordspacing|normalUmathordopspacing|normalUmathordopenspacing|normalUmathordinnerspacing|normalUmathordclosespacing|normalUmathordbinspacing|normalUmathoprelspacing|normalUmathoppunctspacing|normalUmathopordspacing|normalUmathopopspacing|normalUmathopopenspacing|normalUmathopinnerspacing|normalUmathoperatorsize|normalUmathopenupheight|normalUmathopenupdepth|normalUmathopenrelspacing|normalUmathopenpunctspacing|normalUmathopenordspacing|normalUmathopenopspacing|normalUmathopenopenspacing|normalUmathopeninnerspacing|normalUmathopenclosespacing|normalUmathopenbinspacing|normalUmathopclosespacing|normalUmathopbinspacing|normalUmathnumeratorvariant|normalUmathnolimitsupfactor|normalUmathnolimitsubfactor|normalUmathnolimits|normalUmathnoaxis|normalUmathlimits|normalUmathlimitbelowvgap|normalUmathlimitbelowkern|normalUmathlimitbelowbgap|normalUmathlimitabovevgap|normalUmathlimitabovekern|normalUmathlimitabovebgap|normalUmathinnerrelspacing|normalUmathinnerpunctspacing|normalUmathinnerordspacing|normalUmathinneropspacing|normalUmathinneropenspacing|normalUmathinnerinnerspacing|normalUmathinnerclosespacing|normalUmathinnerbinspacing|normalUmathhextensiblevariant|normalUmathfractionvariant|normalUmathfractionrule|normalUmathfractionnumvgap|normalUmathfractionnumup|normalUmathfractiondenomvgap|normalUmathfractiondenomdown|normalUmathfractiondelsize|normalUmathextrasupshift|normalUmathextrasuppreshift|normalUmathextrasubshift|normalUmathextrasubpreshift|normalUmathdenominatorvariant|normalUmathdelimiterundervariant|normalUmathdelimiterovervariant|normalUmathdegreevariant|normalUmathconnectoroverlapmin|normalUmathcodenum|normalUmathcode|normalUmathcloserelspacing|normalUmathclosepunctspacing|normalUmathcloseordspacing|normalUmathcloseopspacing|normalUmathcloseopenspacing|normalUmathcloseinnerspacing|normalUmathcloseclosespacing|normalUmathclosebinspacing|normalUmathclass|normalUmathcharslot|normalUmathcharnumdef|normalUmathcharnum|normalUmathcharfam|normalUmathchardef|normalUmathcharclass|normalUmathchar|normalUmathbotaccentvariant|normalUmathbinrelspacing|normalUmathbinpunctspacing|normalUmathbinordspacing|normalUmathbinopspacing|normalUmathbinopenspacing|normalUmathbininnerspacing|normalUmathbinclosespacing|normalUmathbinbinspacing|normalUmathaxis|normalUmathadapttoright|normalUmathadapttoleft|normalUmathaccentvariant|normalUmathaccentbaseheight|normalUmathaccent|normalUleft|normalUhextensible|normalUdelimiterunder|normalUdelimiterover|normalUdelimiter|normalUdelcodenum|normalUdelcode|normalUchar|normalUatopwithdelims|normalUatop|normalUabovewithdelims|normalUabove|normalUUskewedwithdelims|normalUUskewed|normalOmegaversion|normalOmegarevision|normalOmegaminorversion|normalAlephversion|normalAlephrevision|normalAlephminorversion|normal |norelax|nonstopmode|nonscript|nolimits|noindent|nohrule|noexpand|noboundary|noaligned|noalign|newlinechar|mutoglue|mutable|muskipdef|muskip|multiply|mugluespecdef|muexpr|mskip|moveright|moveleft|month|mkern|middle|message|medmuskip|meaningless|meaningfull|meaningasis|meaning|maxdepth|maxdeadcycles|mathsurroundskip|mathsurroundmode|mathsurround|mathstyle|mathscriptsmode|mathscriptcharmode|mathscriptboxmode|mathscale|mathrulethicknessmode|mathrulesmode|mathrulesfam|mathrel|mathpunct|mathpenaltiesmode|mathord|mathopen|mathop|mathnolimitsmode|mathlimitsmode|mathinner|mathfontcontrol|mathflattenmode|matheqnogapstep|mathdisplayskipmode|mathdirection|mathdelimitersmode|mathcontrolmode|mathcode|mathclose|mathchoice|mathchardef|mathchar|mathbin|mathaccent|marks|mark|luatexversion|luatexrevision|luatexbanner|luafunctioncall|luafunction|luaescapestring|luadef|luacopyinputnodes|luabytecodecall|luabytecode|lpcode|lowercase|lower|looseness|long|localrightboxbox|localrightbox|localmiddleboxbox|localmiddlebox|localleftboxbox|localleftbox|localinterlinepenalty|localcontrolled|localcontrol|localbrokenpenalty|lineskiplimit|lineskip|linepenalty|linedirection|limits|lettonothing|letprotected|letfrozen|letcsname|letcharcode|let|leqno|leftskip|leftmarginkern|lefthyphenmin|left|leaders|lccode|lastskip|lastpenalty|lastparcontext|lastnodetype|lastnodesubtype|lastnamedcs|lastlinefit|lastkern|lastchknum|lastchkdim|lastbox|lastarguments|language|kern|jobname|interlinepenalty|interlinepenalties|interactionmode|integerdef|instance|insertwidth|insertuncopy|insertunbox|insertstoring|insertstorage|insertprogress|insertpenalty|insertpenalties|insertmultiplier|insertmode|insertmaxdepth|insertlimit|insertheights|insertheight|insertdistance|insertdepth|insertcopy|insertbox|insert|inputlineno|input|initcatcodetable|indent|immutable|immediate|ignorespaces|ignorepars|ignorearguments|ifx|ifvoid|ifvmode|ifvbox|iftrue|iftok|ifrelax|ifpdfprimitive|ifpdfabsnum|ifpdfabsdim|ifparameters|ifparameter|ifodd|ifnumval|ifnumexpression|ifnum|ifmmode|ifmathstyle|ifmathparameter|ifinsert|ifinner|ifincsname|ifhmode|ifhbox|ifhasxtoks|ifhastoks|ifhastok|ifhaschar|iffontchar|ifflags|iffalse|ifempty|ifdimval|ifdimexpression|ifdim|ifdefined|ifcstok|ifcsname|ifcondition|ifcmpnum|ifcmpdim|ifchknum|ifchkdim|ifcat|ifcase|ifboolean|ifarguments|ifabsnum|ifabsdim|if|hyphenpenalty|hyphenchar|hyphenationmode|hyphenationmin|hyphenation|ht|hss|hskip|hsize|hrule|hpack|holdinginserts|hjcode|hfuzz|hfilneg|hfill|hfil|hccode|hbox|hbadness|hangindent|hangafter|halign|gtokspre|gtoksapp|glyphyscale|glyphyoffset|glyphxscale|glyphxoffset|glyphtextscale|glyphstatefield|glyphscriptscriptscale|glyphscriptscale|glyphscriptfield|glyphscale|glyphoptions|glyphdatafield|glyph|gluetomu|gluestretchorder|gluestretch|gluespecdef|glueshrinkorder|glueshrink|glueexpr|globaldefs|global|glettonothing|gletcsname|glet|gleaders|gdefcsname|gdef|futurelet|futureexpandisap|futureexpandis|futureexpand|futuredef|futurecsname|frozen|formatname|fonttextcontrol|fontspecyscale|fontspecxscale|fontspecscale|fontspecifiedsize|fontspecifiedname|fontspecid|fontspecdef|fontname|fontmathcontrol|fontid|fontdimen|fontcharwd|fontcharic|fontcharht|fontchardp|font|flushmarks|floatingpenalty|firstvalidlanguage|firstmarks|firstmark|finalhyphendemerits|fi|fam|explicithyphenpenalty|explicitdiscretionary|expandtoken|expandcstoken|expandafterspaces|expandafterpars|expandafter|expand|exhyphenpenalty|exhyphenchar|exceptionpenalty|everyvbox|everytab|everypar|everymath|everyjob|everyhbox|everyeof|everydisplay|everycr|everybeforepar|etokspre|etoksapp|escapechar|errorstopmode|errorcontextlines|errmessage|errhelp|eqno|enforced|endsimplegroup|endlocalcontrol|endlinechar|endinput|endgroup|endcsname|end|emergencystretch|else|efcode|edefcsname|edef|dump|dp|doublehyphendemerits|divide|displaywidth|displaywidowpenalty|displaywidowpenalties|displaystyle|displaylimits|displayindent|discretionary|directlua|dimexpression|dimexpr|dimensiondef|dimendef|dimen|detokenize|delimitershortfall|delimiterfactor|delimiter|delcode|defcsname|defaultskewchar|defaulthyphenchar|def|deadcycles|day|currentmarks|currentiftype|currentiflevel|currentifbranch|currentgrouptype|currentgrouplevel|csstring|csname|crcr|crampedtextstyle|crampedscriptstyle|crampedscriptscriptstyle|crampeddisplaystyle|cr|countdef|count|copy|clubpenalty|clubpenalties|clearmarks|cleaders|chardef|char|catcodetable|catcode|brokenpenalty|boxyoffset|boxymove|boxxoffset|boxxmove|boxtotal|boxorientation|boxmaxdepth|boxdirection|boxattribute|box|boundary|botmarks|botmark|binoppenalty|belowdisplayskip|belowdisplayshortskip|beginsimplegroup|beginlocalcontrol|begingroup|begincsname|batchmode|baselineskip|badness|autoparagraphmode|automigrationmode|automatichyphenpenalty|automaticdiscretionary|attributedef|attribute|atopwithdelims|atop|atendofgrouped|atendofgroup|aligntab|alignmark|aligncontent|aliased|aftergrouped|aftergroup|afterassignment|afterassigned|advance|adjustspacingstretch|adjustspacingstep|adjustspacingshrink|adjustspacing|adjdemerits|accent|abovewithdelims|abovedisplayskip|abovedisplayshortskip|above|XeTeXversion|Uvextensible|Uunderdelimiter|Usuperscript|Usuperprescript|Usubscript|Usubprescript|Ustyle|Ustopmath|Ustopdisplaymath|Ustartmath|Ustartdisplaymath|Ustack|Uskewedwithdelims|Uskewed|Uroot|Uright|Uradical|Uoverwithdelims|Uoverdelimiter|Uover|Unosuperscript|Unosuperprescript|Unosubscript|Unosubprescript|Umiddle|Umathyscale|Umathxscale|Umathvoid|Umathvextensiblevariant|Umathunderlinevariant|Umathunderdelimitervgap|Umathunderdelimitervariant|Umathunderdelimiterbgap|Umathunderbarvgap|Umathunderbarrule|Umathunderbarkern|Umathtopaccentvariant|Umathsupsubbottommax|Umathsupshiftup|Umathsupshiftdrop|Umathsuperscriptvariant|Umathsupbottommin|Umathsubtopmax|Umathsubsupvgap|Umathsubsupshiftdown|Umathsubshiftdrop|Umathsubshiftdown|Umathsubscriptvariant|Umathstackvgap|Umathstackvariant|Umathstacknumup|Umathstackdenomdown|Umathspacingmode|Umathspacebeforescript|Umathspaceafterscript|Umathskewedfractionvgap|Umathskewedfractionhgap|Umathrelrelspacing|Umathrelpunctspacing|Umathrelordspacing|Umathrelopspacing|Umathrelopenspacing|Umathrelinnerspacing|Umathrelclosespacing|Umathrelbinspacing|Umathradicalvgap|Umathradicalvariant|Umathradicalrule|Umathradicalkern|Umathradicaldegreeraise|Umathradicaldegreebefore|Umathradicaldegreeafter|Umathquad|Umathpunctrelspacing|Umathpunctpunctspacing|Umathpunctordspacing|Umathpunctopspacing|Umathpunctopenspacing|Umathpunctinnerspacing|Umathpunctclosespacing|Umathpunctbinspacing|Umathphantom|Umathoverlinevariant|Umathoverlayaccentvariant|Umathoverdelimitervgap|Umathoverdelimitervariant|Umathoverdelimiterbgap|Umathoverbarvgap|Umathoverbarrule|Umathoverbarkern|Umathordrelspacing|Umathordpunctspacing|Umathordordspacing|Umathordopspacing|Umathordopenspacing|Umathordinnerspacing|Umathordclosespacing|Umathordbinspacing|Umathoprelspacing|Umathoppunctspacing|Umathopordspacing|Umathopopspacing|Umathopopenspacing|Umathopinnerspacing|Umathoperatorsize|Umathopenupheight|Umathopenupdepth|Umathopenrelspacing|Umathopenpunctspacing|Umathopenordspacing|Umathopenopspacing|Umathopenopenspacing|Umathopeninnerspacing|Umathopenclosespacing|Umathopenbinspacing|Umathopclosespacing|Umathopbinspacing|Umathnumeratorvariant|Umathnolimitsupfactor|Umathnolimitsubfactor|Umathnolimits|Umathnoaxis|Umathlimits|Umathlimitbelowvgap|Umathlimitbelowkern|Umathlimitbelowbgap|Umathlimitabovevgap|Umathlimitabovekern|Umathlimitabovebgap|Umathinnerrelspacing|Umathinnerpunctspacing|Umathinnerordspacing|Umathinneropspacing|Umathinneropenspacing|Umathinnerinnerspacing|Umathinnerclosespacing|Umathinnerbinspacing|Umathhextensiblevariant|Umathfractionvariant|Umathfractionrule|Umathfractionnumvgap|Umathfractionnumup|Umathfractiondenomvgap|Umathfractiondenomdown|Umathfractiondelsize|Umathextrasupshift|Umathextrasuppreshift|Umathextrasubshift|Umathextrasubpreshift|Umathdenominatorvariant|Umathdelimiterundervariant|Umathdelimiterovervariant|Umathdegreevariant|Umathconnectoroverlapmin|Umathcodenum|Umathcode|Umathcloserelspacing|Umathclosepunctspacing|Umathcloseordspacing|Umathcloseopspacing|Umathcloseopenspacing|Umathcloseinnerspacing|Umathcloseclosespacing|Umathclosebinspacing|Umathclass|Umathcharslot|Umathcharnumdef|Umathcharnum|Umathcharfam|Umathchardef|Umathcharclass|Umathchar|Umathbotaccentvariant|Umathbinrelspacing|Umathbinpunctspacing|Umathbinordspacing|Umathbinopspacing|Umathbinopenspacing|Umathbininnerspacing|Umathbinclosespacing|Umathbinbinspacing|Umathaxis|Umathadapttoright|Umathadapttoleft|Umathaccentvariant|Umathaccentbaseheight|Umathaccent|Uleft|Uhextensible|Udelimiterunder|Udelimiterover|Udelimiter|Udelcodenum|Udelcode|Uchar|Uatopwithdelims|Uatop|Uabovewithdelims|Uabove|UUskewedwithdelims|UUskewed|Omegaversion|Omegarevision|Omegaminorversion|Alephversion|Alephrevision|Alephminorversion| )(?=[^a-zA-Z])",
    "name" : "context.primitive.commands.primitive.tex"
   },
   "reserved" : {
diff --git a/doc/context/sources/general/manuals/math/math-fonts-accents-001.tex b/doc/context/sources/general/manuals/math/math-fonts-accents-001.tex
new file mode 100644
index 000000000..4c9737fa7
--- /dev/null
+++ b/doc/context/sources/general/manuals/math/math-fonts-accents-001.tex
@@ -0,0 +1,23 @@
+\environment math-fonts-helpers
+
+\startbuffer[accents]
+    $+\bar{u}\bar{f}\bar{\Omega}$
+    $\overbar{u}\overbar{f}\overbar{\Omega}$
+    $\overline{u}\overline{f}\overline{\Omega}$
+    \blank
+    $\dot{u}\dot{f}\dot{\Omega}$
+    $\hat{u}\hat{f}\hat{\Omega}$
+    $\tilde{u}\tilde{f}\tilde{\Omega}$
+    \blank
+    $\ddot{u}\ddot{f}\ddot{\Omega}$
+    $\widehat{u}\widehat{f}\widehat{\Omega}$
+    $\widetilde{u}\widetilde{f}\widetilde{\Omega}$
+\stopbuffer
+
+\starttext
+    \MathSamples [
+    ] [
+        accents
+    ]
+
+\stoptext
diff --git a/doc/context/sources/general/manuals/math/math-fonts-helpers.tex b/doc/context/sources/general/manuals/math/math-fonts-helpers.tex
new file mode 100644
index 000000000..7d52c2a7f
--- /dev/null
+++ b/doc/context/sources/general/manuals/math/math-fonts-helpers.tex
@@ -0,0 +1,83 @@
+\starttexdefinition OneMathSample #1#2
+    \startcontent
+        \switchtobodyfont[#1]
+        \framed[align=middle,offset=2ex,corner=round,rulethickness=1pt,framecolor=darkred] \bgroup
+            \getbuffer[#2]%
+            \blank[back]
+        \egroup
+    \stopcontent
+    \startcaption
+        \tt\tfb\color[darkred]{#1}
+    \stopcaption
+\stoptexdefinition
+
+\startluacode
+    local default = {
+        "cambria",
+        "modern",
+     -- "modernlatin",
+        "dejavu",
+        "pagella",
+        "termes",
+        "bonum",
+        "schola",
+        "lucidadk",
+     -- "xits",
+        "stixtwo",
+        "libertinus",
+        "ebgaramond",
+        "kpfonts",
+     -- "minion",
+     -- "asana"
+    }
+
+    function document.MathSamples(list,samples)
+        list    = string.strip(list)
+        samples = string.strip(samples)
+        local s = list ~= "" and utilities.parsers.settings_to_array(list) or default
+        local n = #s
+        if s[n] == "" then
+            n = n - 1
+        end
+        local m = n % 4
+        local x = 4
+        local y = n // 4
+        if m > 0 then
+            x = x + 1
+        end
+     -- for i=1,n do
+     --     context.usebodyfont { s[i] }
+     -- end
+--        context.startTEXpage { offset = "2ex" }
+            context.startcombination { nx = x, ny = y, location = "top", distance = "2ex", after = "\\blank[2*big]" }
+                for i=1,n do
+                    context.OneMathSample(s[i],samples)
+                end
+            context.stopcombination()
+--        context.stopTEXpage()
+    end
+\stopluacode
+
+\protected\def\MathSamples[#1]#*[#2]%
+  {\ctxlua{document.MathSamples("#1","#2")}}
+
+\def\DoShowNextBox
+  {\begingroup
+   \dowithnextbox
+     {\showboxinbuffer{mathbox}\nextbox\plusone
+      \midaligned{\framed{\box\nextbox}}%
+      \switchtobodyfont[4pt]
+      \typebuffer[mathbox][option=TEX]%
+      \endgroup
+      \endgroup}%
+    \hbox}
+
+\protected\def\StartShowBox
+  {\begingroup
+   \protected\def\StopShowBox{\removeunwantedspaces\egroup}%
+   \DoShowNextBox
+   \bgroup\ignorespaces}
+
+\protected\def\ShowBox
+  {\begingroup
+   \DoShowNextBox}
diff --git a/doc/context/sources/general/manuals/math/math-fonts-italics-002.tex b/doc/context/sources/general/manuals/math/math-fonts-italics-002.tex
new file mode 100644
index 000000000..89d93deb3
--- /dev/null
+++ b/doc/context/sources/general/manuals/math/math-fonts-italics-002.tex
@@ -0,0 +1,28 @@
+\environment math-fonts-helpers
+
+\startbuffer[italic-1]
+    $\showglyphs \showfontitalics V^1_2 + V^1 + V_2$
+    \blank
+    $\showglyphs \showfontitalics f^1_2 + g^1_2 + v^1_2 + w^1_2$
+    \blank
+    $\showglyphs \showfontitalics A^1_2 + B^1_2 + V^1_2 + W^1_2$
+    \blank
+\stopbuffer
+
+\startbuffer[italic-2]
+    \mathfontcontrol \italicshapekernmathcontrolcode
+    \mathcontrolmode \plusone
+    \getbuffer[italic-1]%
+\stopbuffer
+
+% \continueifinputfile{italics-002}
+
+\starttext
+
+    \MathSamples [
+    ] [
+        italic-1,
+        italic-2
+    ]
+
+\stoptext
diff --git a/doc/context/sources/general/manuals/math/math-fonts-primes-001.tex b/doc/context/sources/general/manuals/math/math-fonts-primes-001.tex
new file mode 100644
index 000000000..a93934def
--- /dev/null
+++ b/doc/context/sources/general/manuals/math/math-fonts-primes-001.tex
@@ -0,0 +1,28 @@
+% \enableexperiments[fonts.compact]
+% \enabletrackers[fonts.defining]
+
+\environment math-fonts-helpers
+
+\startbuffer[primes]
+    $\textstyle f' f'(x) $
+    $\textstyle f'' f''(x) $
+    $\textstyle f''' f'''(x) $
+    \blank
+    $\scriptstyle f' f'(x) $
+    $\scriptstyle f'' f''(x) $
+    $\scriptstyle f''' f'''(x) $
+    \blank
+    $\scriptscriptstyle f' f'(x) $
+    $\scriptscriptstyle f'' f''(x) $
+    $\scriptscriptstyle f''' f'''(x) $
+\stopbuffer
+
+\setupmathematics[stylealternative={calligraphic}]
+
+\starttext
+    \MathSamples [
+    ] [
+        primes
+    ]
+
+\stoptext
diff --git a/doc/context/sources/general/manuals/math/math-fonts-radicals-001.tex b/doc/context/sources/general/manuals/math/math-fonts-radicals-001.tex
new file mode 100644
index 000000000..a88378b98
--- /dev/null
+++ b/doc/context/sources/general/manuals/math/math-fonts-radicals-001.tex
@@ -0,0 +1,18 @@
+\environment math-fonts-helpers
+
+\startbuffer[scripts]
+    \ruledhbox{$\textstyle         \char"221A \sqrt{x} \sqrt[3]{x} \sqrt{\frac{1}{x}}$}
+    \blank
+    \ruledhbox{$\scriptstyle       \char"221A \sqrt{x} \sqrt[3]{x} \sqrt{\frac{1}{x}}$}
+    \blank
+    \ruledhbox{$\scriptscriptstyle \char"221A \sqrt{x} \sqrt[3]{x} \sqrt{\frac{1}{x}}$}
+\stopbuffer
+
+\starttext
+
+    \MathSamples [
+    ] [
+        scripts
+    ]
+
+\stoptext
diff --git a/doc/context/sources/general/manuals/math/math-fonts-scripts-001.tex b/doc/context/sources/general/manuals/math/math-fonts-scripts-001.tex
new file mode 100644
index 000000000..b0af35e6c
--- /dev/null
+++ b/doc/context/sources/general/manuals/math/math-fonts-scripts-001.tex
@@ -0,0 +1,18 @@
+\environment math-fonts-helpers
+
+\startbuffer[scripts]
+    \ruledhbox{$\textstyle         x\char"207A x\char"207B x\char"208A x\char"208B$}
+    \blank
+    \ruledhbox{$\scriptstyle       x\char"207A x\char"207B x\char"208A x\char"208B$}
+    \blank
+    \ruledhbox{$\scriptscriptstyle x\char"207A x\char"207B x\char"208A x\char"208B$}
+\stopbuffer
+
+\starttext
+
+    \MathSamples [
+    ] [
+        scripts
+    ]
+
+\stoptext
diff --git a/doc/context/sources/general/manuals/math/math-fonts.tex b/doc/context/sources/general/manuals/math/math-fonts.tex
new file mode 100644
index 000000000..421dfe43e
--- /dev/null
+++ b/doc/context/sources/general/manuals/math/math-fonts.tex
@@ -0,0 +1,263 @@
+% language=us runpath=texruns:manuals/math
+
+\environment math-layout
+\environment math-fonts-helpers
+
+% todo: use "keep-latin-modern-math.otf" and "keep-texgyre-pagella-math.otf"
+
+\startcomponent math-fonts
+
+\startchapter[title=Fonts]
+
+\startsection[title=Introduction]
+
+In this document we will discuss how we deal with \OPENTYPE\ math fonts. There is
+a set of samples that are used for testing. One problem is that these fonts
+evolve so what we discuss and fix today might not be applicable tomorrow in which
+case this document can also be seen from a historic perspective. We will mostly
+use \CONTEXT\ speak.
+
+The examples that we show use test files and normally they should render okay. If
+not, we need to fix something. They are part of a set of test files by Mikael
+Sundqvist and Hans Hagen made in the perspective of defining proper goodie files
+and this chapter summarizes our journey.
+
+{\em This chapter is uncorrected work in progress.}
+
+\stopsection
+
+\startsection[title=Italics]
+
+First of all we need to mention some fundamental differences between a
+traditional setup and one for \OPENTYPE\ \UNICODE\ fonts. When \TEX\ showed up,
+fonts had at most 256 characters. Sets of characters are organized in so called
+families of which there are 16: family zero is the one used for what is called
+roman (upright), family one for so called math italic characters, family two for
+all kind of symbols and family three for extensible characters. The \TEX\
+distribution comes with matching fonts. Now, when one enters a formula like this:
+
+\starttyping
+y = \sqrt{x^2 + 4}
+\stoptyping
+
+the \type {x} and \type {y} are math italics (family 1), \type {1} and \type {2}
+are upright (family 0), the \type {+} is a symbol (family 2) and the radical
+comes from family 3 as it can differ in size. The letters are actually from the
+math {\it italic} alphabet and there can be other alphabets: bold, bold italic,
+blackboard, script, etc. For these one defines additional families or when one
+runs out of families symbolic names can be used to map to the non alphabetic
+\ASCII\ slots.
+
+In \CONTEXT\ right from when we started with \LUATEX\ the multiple families were
+dropped in favor of just one. \footnote {This is not entirely true because we
+also have one for bold, and two for r2l regular and bold, but these are dealt
+with in a special way: all definitions use family zero.} Because \UNICODE\ has a
+concept of math alphabets (unfortunately with holes) we use \UNICODE\ \OPENTYPE\
+fonts as well as (certainly before there was anything else than Cambria) virtual
+(runtime) assemblies of traditional \TYPEONE\ fonts.
+
+In this and following chapters we only discuss the \OPENTYPE\ fonts because that
+is what we normally deal with. One complication there is that, although Cambria
+set a clear standard, the fonts that evolved in the \TEX\ ecosystem are to a
+large extend modelled after the traditional \TEX\ fonts. Fonts that originate
+from elsewhere are a mix of both models. And it is this curious mix of approaches
+that forces us to adapt the machinery and|/|or the fonts to our needs. For a long
+time \CONTEXT\ assumed some consistency and although there were mechanisms in
+place to deal with these (often not) subtle differences, in the long run that was
+not what we wanted. So, when these fonts became more and more frozen we decided
+to go for a more individual long term \quote {fix them runtime} solution.
+
+A result is that in \LMTX\ we use a similar approach as in \MKIV\ but instead of
+trying to fix the fonts automatically (driven by pseudo features), we now
+delegate that to the font goodie mechanism where we can also fine tune more
+easily per font: runtime tweaks. The basics are the same but it is a bit easier
+that way, also because in the worst case one can program a specific tweak without
+side effects for the rest.
+
+\startplacefigure[title={Italics Sample 2}]
+    \externalfigure
+        [math-fonts-italics-002.tex]
+        [width=\textwidth]
+\stopplacefigure
+
+The tweak that deals with italics (and other shapes) is:
+
+\starttabulate[|T|||]
+\NC tweak \NC \type {dimensions} \NC \NC \NR
+\NC list  \NC table \NC a hash with treatments \NC \NR
+\stoptabulate
+
+\stopsection
+
+\startsection[title={Primes}]
+
+% \ctxlua{nodes.tasks.disableaction("math","noads.handlers.fixscripts")}
+% \ctxlua{nodes.tasks.enableaction("math","noads.handlers.fixscripts")}
+
+Primes are implemented in a curious way. In traditional \TEX\ they are treated as
+superscripts which is often achieved by making the single quote into an active
+character (in math mode) that takes care of this. The dimensions of a prime are
+such that it comes at the right spot (according to the designers wish). However,
+in \UNICODE\ the same symbol is used for minutes in text mode and because there
+are no duplicates in \UNICODE, it is that already superscripted symbol that we
+see show up in fonts. There is (for some reason) no dedicated single prime slot
+(and one can argue that minutes and primes are really different things and if
+not, why then does greek and latin don't share more).
+
+In \CONTEXT\ we don't want to mess with active characters and even more, we want
+proper symbols for the multiple primes. At the same time we need to handle
+following superscripts as well as cases where a subscript is used as index to a
+nucleus where the whole is then primed. This is implemented in a combination of
+\TEX, \LUA\ and normalized prime symbols.
+
+\startplacefigure[title={Primes Sample 1}]
+    \externalfigure
+        [math-fonts-primes-001.tex]
+        [width=\textwidth]
+\stopplacefigure
+
+Fixing primes boils down to fixing dimensions and repositioning the shape.
+Optionally the multiples can be emulated and a smaller size can be chosen. It's
+also a matter of taste and primes are often not the best designed symbols.
+
+The specification is:
+
+\starttabulate[|T|||]
+\NC tweak   \NC \type {fixprimes} \NC \NC \NR
+\NC factor  \NC number  \NC fraction of the accent base height that the prime shifts up \NC \NR
+\NC smaller \NC boolean \NC when \type {true}, replace multiples \NC \NR
+\NC scale   \NC number  \NC the glyph scale \NC \NR
+\NC fake    \NC number  \NC when set, fake multiples and use this width 0.75 \NC \NR
+\NC keep    \NC boolean \NC keep text size prime as it is \NC \NR
+\stoptabulate
+
+In \MKIV\ we remap primes but in \LMTX\ we adapt the regular slots. As a
+consequence we sacrifice the text size minutes. The \type {keep} option will
+leave the text size variant as it is.
+
+Keep in mind that primes are processed depending on what precedes and follows so
+you cannot really test a character by just calling it: when there is something in
+front it will become a superscripted prime.
+
+\stopsection
+
+\startsection[title={Scripts}]
+
+This tweak will add superscript characters for plus and minus. The main reason
+for them being supplied is that we need them to indicate an explicit (minus)
+sign in calculator math examples.
+
+\startplacefigure[title={Scripts Sample 1}]
+    \externalfigure
+        [math-fonts-scripts-001.tex]
+        [width=\textwidth]
+\stopplacefigure
+
+The specification is:
+
+\starttabulate[|T|||]
+\NC tweak \NC \type {addscripts} \NC \NC \NR
+\NC scale \NC number \NC the scale of the scripted character \NC \NR
+\stoptabulate
+
+Keep in mind that these scripts are processed depending on what precedes so you
+cannot really test a character by just calling it.
+
+\stopsection
+
+\startsection[title={Radicals}]
+
+The traditional \TEX\ engine is made in conjunction with the Computer Modern
+Fonts and there the radical symbol sits below the baseline so that the height
+indicates the rule thickness. In \OPENTYPE\ fonts this is a variable. The Latin
+Modern Math font inherits this somewhat strange position property but we can fix
+that with this tweak:
+
+\startplacefigure[title={Radicals Sample 1}]
+    \externalfigure
+        [math-fonts-radicals-001.tex]
+        [width=\textwidth]
+\stopplacefigure
+
+There are no options:
+
+\starttabulate[|T|||]
+\NC tweak \NC \type {fixradicals} \NC \NC \NR
+\stoptabulate
+
+\stopsection
+
+\startsection[title={Accents}]
+
+We cannot yet tweak accents, but here is an example:
+
+\startplacefigure[title={Accents Sample 1}]
+    \externalfigure
+        [math-fonts-accents-001.tex]
+        [width=\textwidth]
+\stopplacefigure
+
+\stopsection
+
+\startsection[title={Spacing}]
+
+There are \UNICODE\ characters for various spaces and this option defines them
+when they are not present. It is up to the macro package to make sure that the
+non breakable spaces are treated as such. In this document we get:
+
+\def\ShowSpacing#1#2%
+  {\NC \ruledhbox{\showmakeup[glue]\showstruts\strut\char"#1\strut}\NC#2\NC\NR}
+
+\starttabulate[|w(1.5em)|T|]
+    \ShowSpacing{00A0}{nbsp}
+    \ShowSpacing{2000}{enquad}
+    \ShowSpacing{2001}{emquad}
+    \ShowSpacing{2002}{enspace}
+    \ShowSpacing{2003}{emspace}
+    \ShowSpacing{2004}{threeperemspace}
+    \ShowSpacing{2005}{fourperemspace}
+    \ShowSpacing{2006}{sixperemspace}
+    \ShowSpacing{2007}{figurespace}
+    \ShowSpacing{2008}{punctuationspace}
+    \ShowSpacing{2009}{breakablethinspace}
+    \ShowSpacing{200A}{hairspace}
+    \ShowSpacing{200B}{zerowidthspace}
+    \ShowSpacing{202F}{narrownobreakspace}
+    \ShowSpacing{205F}{maththinspace}
+\stoptabulate
+
+There are no options:
+
+\starttabulate[|T|||]
+\NC tweak \NC \type {checkspacing} \NC \NC \NR
+\stoptabulate
+
+\stopsection
+
+\startsection[title=Parameters]
+
+An \OPENTYPE\ math fonts has a lot of parameters and because the engine let you
+set them for every style (regular and cramped) you can exercise a lot of control.
+A difference with traditional math is that we only have one cramped parameter:
+\typ {SuperscriptShiftUpCramped}.
+
+\startbuffer
+\startoverlay
+    {\ruledhbox{$\strut \red  \displaystyle        x^2_1 x^2 x_1$}}
+    {\ruledhbox{$\strut \blue \crampeddisplaystyle x^2_1 x^2 x_1$}}
+\stopoverlay
+\stopbuffer
+
+\typebuffer
+
+Only the superscript is affected (in some miraculous way):
+
+\startlinecorrection
+    \scale[height=3cm]{\switchtobodyfont[pagella]\getbuffer}
+\stoplinecorrection
+
+\stopsection
+
+\stopchapter
+
+\stopcomponent
diff --git a/doc/context/sources/general/manuals/math/math-layout.tex b/doc/context/sources/general/manuals/math/math-layout.tex
index 3695f9b56..d2ab22196 100644
--- a/doc/context/sources/general/manuals/math/math-layout.tex
+++ b/doc/context/sources/general/manuals/math/math-layout.tex
@@ -4,16 +4,22 @@
 
 \enabledirectives[fontgoodies.mathkerning]
 
-\usebodyfont   [modern]
-\usebodyfont  [cambria]
-\usebodyfont [lucidaot]
-\usebodyfont     [xits]
-\usebodyfont  [stixtwo]
-\usebodyfont   [dejavu]
-\usebodyfont  [pagella]
-\usebodyfont   [termes]
-\usebodyfont    [bonum]
-\usebodyfont   [schola]
+\usebodyfont       [modern]
+\usebodyfont  [modernlatin]
+\usebodyfont      [cambria]
+\usebodyfont     [lucidadk]
+\usebodyfont         [xits]
+\usebodyfont      [stixtwo]
+\usebodyfont       [dejavu]
+\usebodyfont      [pagella]
+\usebodyfont       [termes]
+\usebodyfont        [bonum]
+\usebodyfont       [schola]
+\usebodyfont   [libertinus]
+\usebodyfont   [ebgaramond]
+\usebodyfont      [kpfonts]
+%usebodyfont       [minion]
+%usebodyfont        [asana]
 
 \setupbodyfont % don't change this, it's assumed in examples
   [pagella]
diff --git a/tex/context/base/mkii/cont-new.mkii b/tex/context/base/mkii/cont-new.mkii
index 607ada2e8..f6691f252 100644
--- a/tex/context/base/mkii/cont-new.mkii
+++ b/tex/context/base/mkii/cont-new.mkii
@@ -11,7 +11,7 @@
 %C therefore copyrighted by \PRAGMA. See mreadme.pdf for
 %C details.
 
-\newcontextversion{2021.11.22 22:27}
+\newcontextversion{2021.11.24 15:16}
 
 %D This file is loaded at runtime, thereby providing an
 %D excellent place for hacks, patches, extensions and new
diff --git a/tex/context/base/mkii/context.mkii b/tex/context/base/mkii/context.mkii
index d57d70feb..1a6bc2ed0 100644
--- a/tex/context/base/mkii/context.mkii
+++ b/tex/context/base/mkii/context.mkii
@@ -20,7 +20,7 @@
 %D your styles an modules.
 
 \edef\contextformat {\jobname}
-\edef\contextversion{2021.11.22 22:27}
+\edef\contextversion{2021.11.24 15:16}
 
 %D For those who want to use this:
 
diff --git a/tex/context/base/mkiv/cont-new.mkiv b/tex/context/base/mkiv/cont-new.mkiv
index 2f16ce08f..c9f60da6c 100644
--- a/tex/context/base/mkiv/cont-new.mkiv
+++ b/tex/context/base/mkiv/cont-new.mkiv
@@ -13,7 +13,7 @@
 
 % \normalend % uncomment this to get the real base runtime
 
-\newcontextversion{2021.11.22 22:27}
+\newcontextversion{2021.11.24 15:16}
 
 %D This file is loaded at runtime, thereby providing an excellent place for hacks,
 %D patches, extensions and new features. There can be local overloads in cont-loc
diff --git a/tex/context/base/mkiv/context.mkiv b/tex/context/base/mkiv/context.mkiv
index 99f6ee104..c9393a335 100644
--- a/tex/context/base/mkiv/context.mkiv
+++ b/tex/context/base/mkiv/context.mkiv
@@ -49,7 +49,7 @@
 %D {YYYY.MM.DD HH:MM} format.
 
 \edef\contextformat {\jobname}
-\edef\contextversion{2021.11.22 22:27}
+\edef\contextversion{2021.11.24 15:16}
 
 %D Kind of special:
 
diff --git a/tex/context/base/mkiv/math-frc.lua b/tex/context/base/mkiv/math-frc.lua
index fa3ac515f..4a04c9203 100644
--- a/tex/context/base/mkiv/math-frc.lua
+++ b/tex/context/base/mkiv/math-frc.lua
@@ -57,41 +57,3 @@ interfaces.implement {
     actions   = mathfraction,
     arguments = { "string", "number", "number", "dimen" }
 }
-
--- experimental code in lmtx
-
-if CONTEXTLMTXMODE > 0 then
-
-    local ctx_Uatop = context.Uatop
-    local ctx_Uover = context.Uover
-
-    local function umathfraction(how,left,right,width)
-        if how == v_no then
-            if left == 0x002E and right == 0x002E then
-                ctx_Uatop()
-            else
-                context("\\Uatopwithdelims%s%s",resolved[left],resolved[right])
-            end
-        elseif how == v_yes or how == v_hidden then
-            local norule = how == v_hidden and " norule " or ""
-            if left == 0x002E and right == 0x002E then
-                context("\\Uabove%s%ssp",norule,width)
-            else
-                context("\\Uabovewithdelims%s%s%s%ssp",norule,resolved[left],resolved[right],width)
-            end
-        else -- v_auto
-            if left == 0x002E and right == 0x002E then
-                ctx_Uover()
-            else
-                context("\\Uoverwithdelims%s%s",resolved[left],resolved[right])
-            end
-        end
-    end
-
-    interfaces.implement {
-        name      = "umathfraction",
-        actions   = umathfraction,
-        arguments = { "string", "number", "number", "dimen" }
-    }
-
-end
diff --git a/tex/context/base/mkiv/meta-imp-mat.mkiv b/tex/context/base/mkiv/meta-imp-mat.mkiv
index e1b5d9d00..79757b6a9 100644
--- a/tex/context/base/mkiv/meta-imp-mat.mkiv
+++ b/tex/context/base/mkiv/meta-imp-mat.mkiv
@@ -257,5 +257,10 @@ $
     \underleftarrow  {a+b+c+d} \quad
     \underrightarrow {a+b+c+d}
 $
+\blank[2*big]
+\setupmathradical[sqrt][alternative=mp,color=darkgreen]
+$
+    \sqrt[2]{a+b+c+d} \quad
+$
 
 \stopTEXpage
diff --git a/tex/context/base/mkiv/mult-prm.lua b/tex/context/base/mkiv/mult-prm.lua
index d29f06934..3fd680c20 100644
--- a/tex/context/base/mkiv/mult-prm.lua
+++ b/tex/context/base/mkiv/mult-prm.lua
@@ -238,6 +238,8 @@ return {
   "Umathunderlinevariant",
   "Umathvextensiblevariant",
   "Umathvoid",
+  "Umathxscale",
+  "Umathyscale",
   "Umiddle",
   "Unosubprescript",
   "Unosubscript",
diff --git a/tex/context/base/mkiv/status-files.pdf b/tex/context/base/mkiv/status-files.pdf
index 70dda4720..6e310ba05 100644
--- a/tex/context/base/mkiv/status-files.pdf
+++ b/tex/context/base/mkiv/status-files.pdf
diff --git a/tex/context/base/mkiv/status-lua.pdf b/tex/context/base/mkiv/status-lua.pdf
index 20e4c0345..fbb5dddc8 100644
--- a/tex/context/base/mkiv/status-lua.pdf
+++ b/tex/context/base/mkiv/status-lua.pdf
diff --git a/tex/context/base/mkxl/cont-new.mkxl b/tex/context/base/mkxl/cont-new.mkxl
index ce18d555f..acab1e472 100644
--- a/tex/context/base/mkxl/cont-new.mkxl
+++ b/tex/context/base/mkxl/cont-new.mkxl
@@ -13,7 +13,7 @@
 
 % \normalend % uncomment this to get the real base runtime
 
-\newcontextversion{2021.11.22 22:27}
+\newcontextversion{2021.11.24 15:16}
 
 %D This file is loaded at runtime, thereby providing an excellent place for hacks,
 %D patches, extensions and new features. There can be local overloads in cont-loc
diff --git a/tex/context/base/mkxl/context.mkxl b/tex/context/base/mkxl/context.mkxl
index dd39ba19b..36991e8e6 100644
--- a/tex/context/base/mkxl/context.mkxl
+++ b/tex/context/base/mkxl/context.mkxl
@@ -29,7 +29,7 @@
 %D {YYYY.MM.DD HH:MM} format.
 
 \immutable\edef\contextformat {\jobname}
-\immutable\edef\contextversion{2021.11.22 22:27}
+\immutable\edef\contextversion{2021.11.24 15:16}
 
 %overloadmode 1 % check frozen / warning
 %overloadmode 2 % check frozen / error
diff --git a/tex/context/base/mkxl/math-act.lmt b/tex/context/base/mkxl/math-act.lmt
index 05df5eea6..6183d073a 100644
--- a/tex/context/base/mkxl/math-act.lmt
+++ b/tex/context/base/mkxl/math-act.lmt
@@ -190,15 +190,19 @@ local mathtweaks   = { }
 mathematics.tweaks = mathtweaks
 
 local function report_tweak(fmt,target,original,...)
-    local metadata   = original.shared.rawdata.metadata
-    local parameters = target.parameters
-    report_mathtweak(
-        "%a, size %p, math size %i, %s",
-        metadata and metadata.fontname or "unknown",
-        parameters.size or 655360,
-        parameters.mathsize or 1,
-        string.formatters[fmt](...)
-    )
+    if fmt then
+        local metadata   = original.shared.rawdata.metadata
+        local parameters = target.parameters
+        report_mathtweak(
+            "%a, size %p, math size %i, %s",
+            metadata and metadata.fontname or "unknown",
+            parameters.size or 655360,
+            parameters.mathsize or 1,
+            string.formatters[fmt](...)
+        )
+    else
+        report_mathtweak("")
+    end
 end
 
 do
@@ -596,12 +600,18 @@ do
             if version then
                 local expected = parameters.expected
                 local fontname = metadata.fontname or false
+                local message  = parameters.message
              -- version = tonumber(string.match(version,"%d+.%d+"))
                 if version ~= expected and not reported[fontname] then
                     report_tweak("version %a found, version %a expected",target,original,version,expected)
                 elseif trace_tweaking then
                     report_tweak("version %a found",target,original,version)
                 end
+                if message and message ~= "" and not reported[fontname] then
+                    report_tweak()
+                    report_tweak("%s",target,original,message)
+                    report_tweak()
+                end
                 reported[fontname] = true
             end
         end
diff --git a/tex/context/base/mkxl/math-frc.lmt b/tex/context/base/mkxl/math-frc.lmt
new file mode 100644
index 000000000..cf35897ce
--- /dev/null
+++ b/tex/context/base/mkxl/math-frc.lmt
@@ -0,0 +1,91 @@
+if not modules then modules = { } end modules ['math-frc'] = {
+    version   = 1.001,
+    comment   = "companion to math-frc.mkiv",
+    author    = "Hans Hagen, PRAGMA-ADE, Hasselt NL",
+    copyright = "PRAGMA ADE / ConTeXt Development Team",
+    license   = "see context related readme files"
+}
+
+local utfchar   = utf.char
+
+local context   = context
+local variables = interfaces.variables
+
+local v_no      = variables.no
+local v_yes     = variables.yes
+local v_hidden  = variables.hidden
+
+local resolved  = {
+    [0x007B] = "\\{",
+    [0x007D] = "\\}",
+}
+
+table.setmetatableindex(resolved, function(t,k)
+    local v = utfchar(k)
+    t[k] = v
+    return v
+end)
+
+local ctx_normalatop = context.normalatop
+local ctx_normalover = context.normalover
+
+local function mathfraction(how,left,right,width)
+    if how == v_no then
+        if left == 0x002E and right == 0x002E then
+            ctx_normalatop()
+        else
+            context("\\atopwithdelims%s%s",resolved[left],resolved[right])
+        end
+    elseif how == v_yes or how == v_hidden then
+        local norule = how == v_hidden and LUATEXFUNCTIONALITY > 7361 and " norule " or ""
+        if left == 0x002E and right == 0x002E then
+            context("\\normalabove%s%s%ssp",norule,width)
+        else
+            context("\\abovewithdelims%s%s%s%s%ssp",norule,resolved[left],resolved[right],width)
+        end
+    else -- v_auto
+        if left == 0x002E and right == 0x002E then
+            ctx_normalover()
+        else
+            context("\\overwithdelims%s%s",resolved[left],resolved[right])
+        end
+    end
+end
+
+interfaces.implement {
+    name      = "mathfraction",
+    actions   = mathfraction,
+    arguments = { "string", "number", "number", "dimen" }
+}
+
+local ctx_Uatop = context.Uatop
+local ctx_Uover = context.Uover
+
+local function umathfraction(how,left,right,width)
+    if how == v_no then
+        if left == 0x002E and right == 0x002E then
+            ctx_Uatop()
+        else
+            context("\\Uatopwithdelims%s%s",resolved[left],resolved[right])
+        end
+    elseif how == v_yes or how == v_hidden then
+        local norule = how == v_hidden and " norule " or ""
+        if left == 0x002E and right == 0x002E then
+            context("\\Uabove%s%ssp",norule,width)
+        else
+            context("\\Uabovewithdelims%s%s%s%ssp",norule,resolved[left],resolved[right],width)
+        end
+    else -- v_auto
+        if left == 0x002E and right == 0x002E then
+            ctx_Uover()
+        else
+            context("\\Uoverwithdelims%s%s",resolved[left],resolved[right])
+        end
+    end
+end
+
+interfaces.implement {
+    name      = "umathfraction",
+    actions   = umathfraction,
+    arguments = { "string", "number", "number", "dimen" }
+}
diff --git a/tex/context/base/mkxl/math-frc.mkxl b/tex/context/base/mkxl/math-frc.mkxl
index 7e2266f2f..8d47e2883 100644
--- a/tex/context/base/mkxl/math-frc.mkxl
+++ b/tex/context/base/mkxl/math-frc.mkxl
@@ -26,7 +26,7 @@
 
 %D This module is reimplemented in \MKIV\ style.
 
-\registerctxluafile{math-frc}{}
+\registerctxluafile{math-frc}{autosuffix}
 
 %D \macros
 %D   {frac, xfrac, xxfrac}
diff --git a/tex/context/base/mkxl/math-ini.mkxl b/tex/context/base/mkxl/math-ini.mkxl
index 774a7ff28..a5f4ac529 100644
--- a/tex/context/base/mkxl/math-ini.mkxl
+++ b/tex/context/base/mkxl/math-ini.mkxl
@@ -3044,6 +3044,56 @@
 
 \def\math_relax_limits{\enforced\let\limits\relax}
 
+%D Something new:
+%D
+%D \starttyping
+%D \definemathpreset[whatever][factor=.5,style=all,list={fraction*gap}]
+%D % \presetmathematics[whatever] % less more zero
+%D \stoptyping
+%D
+%D as well as:
+%D
+%D \starttyping
+%D \setupmathspacing[narrow]
+%D \stoptyping
+
+\installcorenamespace{mathspacing}
+
+\protected\def\math_spacing_set#1#2% maybe some day \allmathstyles
+  {\relax
+   #1\displaystyle       #2%
+   #1\crampeddisplaystyle#2%
+   #1\textstyle          #2%
+   #1\scriptstyle        #2%
+   #1\crampedscriptstyle #2%
+   #1\scriptstyle        #2%
+   #1\crampedscriptstyle #2%
+   \relax}
+
+\permanent\tolerant\protected\def\definemathspacing[#1]#*[#2]#*[#3]%
+  {\ifcstok{#2}\v!horizontal
+     \edefcsname\??mathspacing#1\endcsname
+       {\math_spacing_set\Umathxscale{\ifchknum#3\or#3\else\plusthousand\fi\relax}}%
+   \orelse\ifcstok{#2}\v!vertical
+     \edefcsname\??mathspacing#1\endcsname
+       {\math_spacing_set\Umathyscale{\ifchknum#3\or#3\else\plusthousand\fi\relax}}%
+   \else
+     \edefcsname\??mathspacing#1\endcsname
+       {\math_spacing_set\Umathxscale{\ifchknum#2\or\number#2\else\plusthousand\fi\relax}%
+        \math_spacing_set\Umathyscale{\ifchknum#3\or\number#3\orelse\ifchknum#2\or\number#2\else\plusthousand\fi\relax}}%
+   \fi}
+
+\definemathspacing[\v!normal]                [1000] [1000]
+\definemathspacing[\v!tight] [\c!vertical]    [900]
+\definemathspacing[\v!loose] [\c!vertical]   [1100]
+\definemathspacing[\v!narrow][\c!horizontal]  [900]
+\definemathspacing[\v!wide]  [\c!horizontal] [1100]
+\definemathspacing[\v!less]                   [900]  [900]
+\definemathspacing[\v!more]                  [1100] [1100]
+
+\permanent\protected\def\setupmathspacing[#1]%
+  {\begincsname\??mathspacing#1\endcsname}
+
 \protect \endinput
 
 % % not used (yet)
diff --git a/tex/context/base/mkxl/math-pre.lmt b/tex/context/base/mkxl/math-pre.lmt
index d10f80cfe..974623f27 100644
--- a/tex/context/base/mkxl/math-pre.lmt
+++ b/tex/context/base/mkxl/math-pre.lmt
@@ -7,24 +7,50 @@ if not modules then modules = { } end modules ['math-pre'] = {
     license   = "see context related readme files"
 }
 
-local type = type
-local gmatch = string.gmatch
+local type, tonumber = type, tonumber
+local gmatch, find, topattern = string.gmatch, string.find, string.topattern
 
-local h1 = table.swapped(tex.getmathparametervalues())
-local h2 = table.swapped(tex.getmathstylenamevalues())
+local parameterlist = tex.getmathparametervalues()
+local mathstylelist = tex.getmathstylenamevalues()
+local parameterhash = table.swapped(parameterlist)
+local mathstylehash = table.swapped(mathstylelist)
 
-local axis = h1.axis
+local axis = parameterhash.axis
 
 local getmath = tex.getmath
 local setmath = tex.setmath
 
+local function expandparameters(t)
+    local result = { }
+    local kind   = type(t)
+    local function expand(s)
+        s = topattern(s)
+        for i=1,#parameterlist do
+            local p = parameterlist[i]
+            if find(p,s) then
+                result[#result+1] = p
+            end
+        end
+    end
+    if kind == "string" then
+        for s in gmatch(t,"[^%s,]+") do
+            expand(s)
+        end
+    elseif kind == "table" then
+        for i=1,#t do
+            expand(t[i])
+        end
+    end
+    return result
+end
+
 function setmathparameters(t)
     if t then
         for i=1,#t do
             local ti     = t[i]
             local list   = ti.list
             local factor = ti.factor or 1
-            local styles = ti.styles
+            local style  = ti.style
             local value  = ti.value
             local unit   = ti.unit
 
@@ -41,20 +67,20 @@ function setmathparameters(t)
             end
 
             for i=1,#list do
-                local li = h1[list[i]]
+                local li = parameterhash[list[i]]
                 if li then
-                    if styles == "all" then
+                    if style == "all" then
                         for si=0,7 do
                             set(li,si,value)
                         end
-                    elseif type(styles) == "string" then
-                        local si = h2[styles]
+                    elseif type(style) == "string" then
+                        local si = mathstylehash[style]
                         if si then
                             set(li,si,value)
                         end
                     else
-                        for s=1,#styles do
-                            local si = h2[styles[s]]
+                        for s=1,#style do
+                            local si = mathstylehash[style[s]]
                             if si then
                                 set(li,si,value)
                             end
@@ -66,6 +92,8 @@ function setmathparameters(t)
     end
 end
 
+-- example
+
 local stacklist = {
     "fractionnumvgap",
     "fractiondenomvgap",
@@ -84,35 +112,74 @@ local presets = {
          -- value  = 655360,
          -- unit   = "axis",
             list   = stacklist,
-         -- styles = { "display" },
-         -- styles = "display",
-            styles = "all"
+         -- style  = { "display" },
+         -- style  = "display",
+            style = "all"
         },
     },
     more = {
         {
             factor = 2,
             list   = stacklist,
-            styles = "all"
+            style  = "all"
         },
     },
     zero = {
         {
             factor = 0,
             list   = stacklist,
-            styles = "all"
+            style  = "all"
         },
     },
 }
 
-mathematics.presets = presets
+mathematics.presets = presets -- we might need to store these in the format file
 
 function mathematics.preset(list)
-    for s in gmatch(list,"[%S,]+") do
+    for s in gmatch(list,"[^%s,]+") do
         setmathparameters(presets[s])
     end
 end
 
+-- todo: append, prepend, inherit
+
+interfaces.implement {
+    name      = "definemathpreset",
+    public    = true,
+    protected = true,
+    arguments = { "optional", "hash" },
+    actions   = function(name,t)
+        if next(t) then
+            local factor = t.factor
+            local style  = t.style
+            local list   = t.list
+            local unit   = t.unit
+            if factor then
+                t.factor = tonumber(factor)
+            end
+            if style and style ~= "all" then
+                t.style = utilities.parsers.settings_to_array(style)
+            end
+            if list then
+             -- t.list = utilities.parsers.settings_to_array(list)
+                t.list = expandparameters(list)
+            end
+            if unit and unit ~= "axis" then
+                t.unit = nil
+            end
+            -- todo: value
+            local p = presets[name]
+            if p then
+                p[#p+1] = t
+            else
+                presets[name] = t
+            end
+        else
+            presets[name] = nil
+        end
+    end,
+}
+
 interfaces.implement {
     name      = "presetmathematics",
     public    = true,
@@ -120,4 +187,3 @@ interfaces.implement {
     arguments = "optional",
     actions   = mathematics.preset,
 }
-
diff --git a/tex/context/fonts/mkiv/asana-math.lfg b/tex/context/fonts/mkiv/asana-math.lfg
index f7fd4ba96..63e2aab69 100644
--- a/tex/context/fonts/mkiv/asana-math.lfg
+++ b/tex/context/fonts/mkiv/asana-math.lfg
@@ -42,6 +42,7 @@ return {
                 {
                     tweak    = "version",
                     expected = "Version 000.958",
+                    message  = "this font is not supported",
                 },
                 {
                     tweak = "dimensions",
diff --git a/tex/context/fonts/mkiv/termes-math.lfg b/tex/context/fonts/mkiv/termes-math.lfg
index 1de85483c..fe6cc7956 100644
--- a/tex/context/fonts/mkiv/termes-math.lfg
+++ b/tex/context/fonts/mkiv/termes-math.lfg
@@ -34,7 +34,9 @@ return {
                 {
                     tweak = "dimensions",
                     list  = {
-                        -- nothing yet
+                        [0x1D453] = { 0.6,  1.4,  1.2  }, -- f
+                        [0x1D457] = { 0.5,  1.3,  1.7  }, -- j
+                        [0x1D45D] = { 0.15, 1.15, 0    }, -- p
                     },
                 },
                 {
diff --git a/tex/generic/context/luatex/luatex-fonts-merged.lua b/tex/generic/context/luatex/luatex-fonts-merged.lua
index 6709446e6..9e290295f 100644
--- a/tex/generic/context/luatex/luatex-fonts-merged.lua
+++ b/tex/generic/context/luatex/luatex-fonts-merged.lua
@@ -1,6 +1,6 @@
 -- merged file : c:/data/develop/context/sources/luatex-fonts-merged.lua
 -- parent file : c:/data/develop/context/sources/luatex-fonts.lua
--- merge date  : 2021-11-22 22:27
+-- merge date  : 2021-11-24 15:16
 
 do -- begin closure to overcome local limits and interference