This used to work:
\definefontfallback[seguiFB]
[file:seguisym.ttf]
[0x00000-0xFFFFF]
[check=yes,force=no]
\definetypeface [contextstart] [ss] [sans] [segoe]
[default][fallbacks=seguiFB]
(Intention is to take all missing characters from this symbol font.)
But with current LMTX, I get:
tex error > tex error on line 48 in file env_contextstart.tex:
lua error:
registered function call [1145]:
...-14/tex/texmf-context/tex/context/base/mkxl/math-act.lmt:2339:
attempt to perform arithmetic on a nil value (field 'depth')
stack traceback:
...-14/tex/texmf-context/tex/context/base/mkxl/math-act.lmt:2339: in
local 'action'
...-14/tex/texmf-context/tex/context/base/mkxl/math-act.lmt:3166: in
upvalue 'applytweaks'
...-14/tex/texmf-context/tex/context/base/mkxl/math-act.lmt:3200: in
upvalue 'mathematics_tweakaftercopyingfont'
[string "local mathematics_tweakaftercopyingfont = mat..."]:5: in local
'runner'
...-14/tex/texmf-context/tex/context/base/mkxl/font-ctx.lmt:504: in
field 'aftercopyingcharacters'
...-14/tex/texmf-context/tex/context/base/mkxl/font-con.lmt:859: in
field 'scale'
...-14/tex/texmf-context/tex/context/base/mkxl/font-otl.lmt:672: in
function <...-14/tex/texmf-context/tex/context/base/mkxl/font-otl.lmt:664>
(...tail calls...)
...-14/tex/texmf-context/tex/context/base/mkxl/font-def.lmt:378: in
function <...-14/tex/texmf-context/tex/context/base/mkxl/font-def.lmt:366>
(...tail calls...)
...-14/tex/texmf-context/tex/context/base/mkxl/font-def.lmt:484: in
field 'read'
...-14/tex/texmf-context/tex/context/base/mkxl/font-ctx.lmt:1371: in
function <...-14/tex/texmf-context/tex/context/base/mkxl/font-ctx.lmt:1228>
(...tail calls...)
43 \usetypescriptfile[contextstart]
44 \usebodyfont[modern]
45 \usebodyfont[cambria]
46 \usebodyfont[segoe]
47
48 >> \setupbodyfont[contextstart,10pt]
Hraban
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