Best regards: OK

On 18 Sep 2019, at 21:41, Alan Bowen <bowenalan03@gmail.com> wrote:

In processing = a book that I have edited, there is no problem using
LuaMetaTeX, Version 2.00.0, 2019.07.31

But = with LuaMetaTeX, Version 2.00.0, ConTeXt ver: = 2019.09.10,
the process = stops in a specific chapter and quits with a fatal error:

tex error > = tex error on line 26 in file c_12-01_Greenbaum.tex: ! Undefined control = sequence

\referencerealpage = ->\clf_referencerealpage
   = =
\scrn_button_make_yes ...unter = \referencerealpage
= = \relax \ifcase = \scratchcou...
\scrn_button_make ...ke_yes = \scrn_button_make_nop
= = #1#2#3#4 = {#5}\endgroup
\scrn_button_direct_indeed ...onparameter {#2}{#3}
= = = \egroup \endgroup
l.26 ]

l.37 ]

...
l.249 = ...BHA_12-01_Plate01.pdf][width=3D.5\textwidth]{
= = = }
16 =
17 = \def\ChapterSubTitle{The Hellenistic Horoscope}
18 = \def\SubChapterNo{12.1}
19 \relax
20 = \startBrillChapter[reference=3DCh12,
21 = title=3D{\vglue6pc{\ChapterNo}~\\
22 \ChapterTitle},
23 = = bookmark=3D{12 Astral Divination and Natal Astrology}]
24 =
25 = \startBrillSubChapter[reference=3DDGG12-01,
26 >> = = title=3D{{\SubChapterNo}~\\
27 = \ChapterSubTitle},
28 bookmark=3D{12.1 The = Hellenistic Horoscope}]
29 \byline
30 = \startLevelBnHead[reference=3D12.1.1,
31 = title=3DIntroduction]

What puzzles = me is that the relevant coding for this chapter is the same as for = several other chapters that process with no problems. It would be good = to know if this is a problem in the chapter itself that I can fix or if = there is a problem in the latest standalone.

The error-log = reads:

return {
["filename"]=3D"c_12-01_Greenbaum.tex",
["lastcontext"]=3D"\n\\referencerealpa= ge ->\\clf_referencerealpage \n = = \n\\scrn_button_make_yes ->\\scratchcounter \\referencerealpage = \n = = \\relax \\ifcase \\scratchcounter \\expa...\n\\scrn_button_make = ...\\scrn_button_make_yes \\scrn_button_make_nop \n = = = #1#2#3#4 {#5}\\endgroup \n\\scrn_button_direct_indeed = ...buttonparameter \\setbuttonparameter {#2}{#3}\n = = = \\egroup \\endgroup \nl.26 ]\n \nl.37 ]\n = \n...\nl.249 = ...HA_12-01_Plate01.pdf][width=3D.5\\textwidth]{\n = = = } ",
["lastluaerror"]=3D"?",
["lasttexerror"]=3D"! Undefined control = sequence",
["lasttexhelp"]=3D"The = control sequence at the end of the top line of your error message was = never\n\\def'ed. You can just continue as I'll forget about whatever was = undefined.",
["linenumber"]=3D26,
["offset"]=3D10,
}

Alan
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