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From: Jan Willem Flamma <register12c@gmail.com>
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Subject: LMTX issue with multple question blocks
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Dear list members,

The below MWE runs fine and generates a usable PDF.

If I uncomment the second question block and run the MWE on a OS X =
system it generates an unusable PDF and a nearly empty log file:

open source     > level 1, order 1, name 'cont-yes.mkiv'
system          >=20
system          > ConTeXt  ver: 2019.10.28 18:57 MKIV beta  fmt: =
2019.11.7  int: english/english
system          >=20
system          > 'cont-new.mkiv' loaded
open source     > level 2, order 2, name =
'/Users/JW/context/tex/texmf-context/tex/context/base/mkiv/cont-new.mkiv'
system          > beware: some patches loaded from cont-new.mkiv
close source    > level 2, order 2, name =
'/Users/JW/context/tex/texmf-context/tex/context/base/mkiv/cont-new.mkiv'

system          > files > jobname 'co-intro', input './co-intro', result =
'co-intro'
fonts           > latin modern fonts are not preloaded
languages       > language 'en' is active
system          > synctex functionality is enabled, expect 5-10 pct =
runtime overhead!
open source     > level 2, order 3, name './co-intro.tex'
fonts           > preloading latin modern fonts (second stage)
fonts           > 'fallback modern-designsize rm 12pt' is loaded
open source     > level 3, order 4, name 'knuth.tex'
close source    > level 3, order 4, name 'knuth.tex'

I cannot reproduce the problem on a Windows system.=20

Can somebody on an OS X system check and confirm the issue?

Thanks,
Jan Willem Flamma

=3D=3D=3D=3D

\defineblock[question]
\defineblock[answer]

\hideblocks[question]
\hideblocks[answer]

\defineenumeration[question]
\defineenumeration[answer]

\starttext

\input knuth

\beginquestion
\startquestion
Question text
\startitemize[a]
\item Answer A
\item Answer B
\item Answer C
\stopitemize
\stopquestion
\endquestion
\beginanswer
\startanswer
A
\stopanswer
\endanswer

%\beginquestion
%\startquestion
%Questions text
%\startitemize[a]
%\item Answer A
%\item Answer B
%\item Answer C
%\stopitemize
%\stopquestion
%\endquestion
%\beginanswer
%\startanswer
%A
%\stopanswer
%\endanswer

\useblocks[question]

\stoptext


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	charset=us-ascii

<html><head><meta http-equiv=3D"Content-Type" content=3D"text/html; =
charset=3Dus-ascii"></head><body style=3D"word-wrap: break-word; =
-webkit-nbsp-mode: space; line-break: after-white-space;" class=3D"">Dear =
list members,<div class=3D""><br class=3D""></div><div class=3D"">The =
below MWE runs fine and generates a usable PDF.</div><div class=3D""><br =
class=3D""></div><div class=3D"">If I uncomment the second question =
block and run the MWE on a OS X system it generates an unusable PDF and =
a nearly empty log file:</div><div class=3D""><br class=3D""></div><div =
class=3D""><div class=3D"">open source &nbsp; &nbsp; &gt; level 1, order =
1, name 'cont-yes.mkiv'</div><div class=3D"">system &nbsp; &nbsp; &nbsp; =
&nbsp; &nbsp;&gt;&nbsp;</div><div class=3D"">system &nbsp; &nbsp; &nbsp; =
&nbsp; &nbsp;&gt; ConTeXt &nbsp;ver: 2019.10.28 18:57 MKIV beta =
&nbsp;fmt: 2019.11.7 &nbsp;int: english/english</div><div =
class=3D"">system &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&gt;&nbsp;</div><div =
class=3D"">system &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&gt; 'cont-new.mkiv' =
loaded</div><div class=3D"">open source &nbsp; &nbsp; &gt; level 2, =
order 2, name =
'/Users/JW/context/tex/texmf-context/tex/context/base/mkiv/cont-new.mkiv'<=
/div><div class=3D"">system &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&gt; =
beware: some patches loaded from cont-new.mkiv</div><div class=3D"">close =
source &nbsp; &nbsp;&gt; level 2, order 2, name =
'/Users/JW/context/tex/texmf-context/tex/context/base/mkiv/cont-new.mkiv'<=
/div><div class=3D""><br class=3D""></div><div class=3D"">system &nbsp; =
&nbsp; &nbsp; &nbsp; &nbsp;&gt; files &gt; jobname 'co-intro', input =
'./co-intro', result 'co-intro'</div><div class=3D"">fonts &nbsp; &nbsp; =
&nbsp; &nbsp; &nbsp; &gt; latin modern fonts are not preloaded</div><div =
class=3D"">languages &nbsp; &nbsp; &nbsp; &gt; language 'en' is =
active</div><div class=3D"">system &nbsp; &nbsp; &nbsp; &nbsp; =
&nbsp;&gt; synctex functionality is enabled, expect 5-10 pct runtime =
overhead!</div><div class=3D"">open source &nbsp; &nbsp; &gt; level 2, =
order 3, name './co-intro.tex'</div><div class=3D"">fonts &nbsp; &nbsp; =
&nbsp; &nbsp; &nbsp; &gt; preloading latin modern fonts (second =
stage)</div><div class=3D"">fonts &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; =
&gt; 'fallback modern-designsize rm 12pt' is loaded</div><div =
class=3D"">open source &nbsp; &nbsp; &gt; level 3, order 4, name =
'knuth.tex'</div><div class=3D"">close source &nbsp; &nbsp;&gt; level 3, =
order 4, name 'knuth.tex'</div></div><div class=3D""><br =
class=3D""></div><div class=3D"">I cannot reproduce the problem on a =
Windows system.&nbsp;</div><div class=3D""><br class=3D""></div><div =
class=3D"">Can somebody on an OS X system check and confirm the =
issue?</div><div class=3D""><br class=3D""></div><div =
class=3D"">Thanks,</div><div class=3D"">Jan Willem Flamma</div><div =
class=3D""><br class=3D""></div><div class=3D"">=3D=3D=3D=3D</div><div =
class=3D""><br class=3D""></div><div class=3D""><div style=3D"margin: =
0px; font-stretch: normal; line-height: normal;" class=3D""><div =
style=3D"margin: 0px; font-stretch: normal; line-height: normal;" =
class=3D""><font face=3D"Courier" =
class=3D"">\defineblock[question]</font></div><div style=3D"margin: 0px; =
font-stretch: normal; line-height: normal;" class=3D""><font =
face=3D"Courier" class=3D"">\defineblock[answer]</font></div><div =
style=3D"margin: 0px; font-stretch: normal; line-height: normal;" =
class=3D""><font face=3D"Courier" class=3D""><br =
class=3D""></font></div><div style=3D"margin: 0px; font-stretch: normal; =
line-height: normal;" class=3D""><font face=3D"Courier" =
class=3D"">\hideblocks[question]</font></div><div style=3D"margin: 0px; =
font-stretch: normal; line-height: normal;" class=3D""><font =
face=3D"Courier" class=3D"">\hideblocks[answer]</font></div><div =
style=3D"margin: 0px; font-stretch: normal; line-height: normal;" =
class=3D""><br class=3D""></div><div style=3D"margin: 0px; font-stretch: =
normal; line-height: normal;" class=3D""><font face=3D"Courier" =
class=3D"">\defineenumeration[question]</font></div><div style=3D"margin: =
0px; font-stretch: normal; line-height: normal;" class=3D""><font =
face=3D"Courier" class=3D"">\defineenumeration[answer]</font></div><div =
style=3D"margin: 0px; font-stretch: normal; line-height: normal;" =
class=3D""><font face=3D"Courier" class=3D""><br =
class=3D""></font></div><div style=3D"margin: 0px; font-stretch: normal; =
line-height: normal;" class=3D""><font face=3D"Courier" =
class=3D"">\starttext</font></div><div style=3D"margin: 0px; =
font-stretch: normal; line-height: normal;" class=3D""><font =
face=3D"Courier" class=3D""><br class=3D""></font></div><div =
style=3D"margin: 0px; font-stretch: normal; line-height: normal;" =
class=3D""><font face=3D"Courier" class=3D"">\input =
knuth</font></div><div style=3D"margin: 0px; font-stretch: normal; =
line-height: normal;" class=3D""><font face=3D"Courier" class=3D""><br =
class=3D""></font></div><div style=3D"margin: 0px; font-stretch: normal; =
line-height: normal;" class=3D""><font face=3D"Courier" =
class=3D"">\beginquestion</font></div><div style=3D"margin: 0px; =
font-stretch: normal; line-height: normal;" class=3D""><font =
face=3D"Courier" class=3D"">\startquestion</font></div><div =
style=3D"margin: 0px; font-stretch: normal; line-height: normal;" =
class=3D""><font face=3D"Courier" class=3D"">Question =
text</font></div><div style=3D"margin: 0px; font-stretch: normal; =
line-height: normal;" class=3D""><font face=3D"Courier" =
class=3D"">\startitemize[a]</font></div><div style=3D"margin: 0px; =
font-stretch: normal; line-height: normal;" class=3D""><font =
face=3D"Courier" class=3D"">\item Answer A</font></div><div =
style=3D"margin: 0px; font-stretch: normal; line-height: normal;" =
class=3D""><font face=3D"Courier" class=3D"">\item Answer =
B</font></div><div style=3D"margin: 0px; font-stretch: normal; =
line-height: normal;" class=3D""><font face=3D"Courier" class=3D"">\item =
Answer C</font></div><div style=3D"margin: 0px; font-stretch: normal; =
line-height: normal;" class=3D""><font face=3D"Courier" =
class=3D"">\stopitemize</font></div><div style=3D"margin: 0px; =
font-stretch: normal; line-height: normal;" class=3D""><font =
face=3D"Courier" class=3D"">\stopquestion</font></div><div =
style=3D"margin: 0px; font-stretch: normal; line-height: normal;" =
class=3D""><font face=3D"Courier" class=3D"">\endquestion</font></div><div=
 style=3D"margin: 0px; font-stretch: normal; line-height: normal;" =
class=3D""><font face=3D"Courier" class=3D"">\beginanswer</font></div><div=
 style=3D"margin: 0px; font-stretch: normal; line-height: normal;" =
class=3D""><font face=3D"Courier" class=3D"">\startanswer</font></div><div=
 style=3D"margin: 0px; font-stretch: normal; line-height: normal;" =
class=3D""><font face=3D"Courier" class=3D"">A</font></div><div =
style=3D"margin: 0px; font-stretch: normal; line-height: normal;" =
class=3D""><font face=3D"Courier" class=3D"">\stopanswer</font></div><div =
style=3D"margin: 0px; font-stretch: normal; line-height: normal;" =
class=3D""><font face=3D"Courier" class=3D"">\endanswer</font></div><div =
style=3D"margin: 0px; font-stretch: normal; line-height: normal;" =
class=3D""><font face=3D"Courier" class=3D""><br =
class=3D""></font></div><div style=3D"margin: 0px; font-stretch: normal; =
line-height: normal;" class=3D""><font face=3D"Courier" =
class=3D"">%\beginquestion</font></div><div style=3D"margin: 0px; =
font-stretch: normal; line-height: normal;" class=3D""><font =
face=3D"Courier" class=3D"">%\startquestion</font></div><div =
style=3D"margin: 0px; font-stretch: normal; line-height: normal;" =
class=3D""><font face=3D"Courier" class=3D"">%Questions =
text</font></div><div style=3D"margin: 0px; font-stretch: normal; =
line-height: normal;" class=3D""><font face=3D"Courier" =
class=3D"">%\startitemize[a]</font></div><div style=3D"margin: 0px; =
font-stretch: normal; line-height: normal;" class=3D""><font =
face=3D"Courier" class=3D"">%\item Answer A</font></div><div =
style=3D"margin: 0px; font-stretch: normal; line-height: normal;" =
class=3D""><font face=3D"Courier" class=3D"">%\item Answer =
B</font></div><div style=3D"margin: 0px; font-stretch: normal; =
line-height: normal;" class=3D""><font face=3D"Courier" class=3D"">%\item =
Answer C</font></div><div style=3D"margin: 0px; font-stretch: normal; =
line-height: normal;" class=3D""><font face=3D"Courier" =
class=3D"">%\stopitemize</font></div><div style=3D"margin: 0px; =
font-stretch: normal; line-height: normal;" class=3D""><font =
face=3D"Courier" class=3D"">%\stopquestion</font></div><div =
style=3D"margin: 0px; font-stretch: normal; line-height: normal;" =
class=3D""><font face=3D"Courier" =
class=3D"">%\endquestion</font></div><div style=3D"margin: 0px; =
font-stretch: normal; line-height: normal;" class=3D""><font =
face=3D"Courier" class=3D"">%\beginanswer</font></div><div =
style=3D"margin: 0px; font-stretch: normal; line-height: normal;" =
class=3D""><font face=3D"Courier" =
class=3D"">%\startanswer</font></div><div style=3D"margin: 0px; =
font-stretch: normal; line-height: normal;" class=3D""><font =
face=3D"Courier" class=3D"">%A</font></div><div style=3D"margin: 0px; =
font-stretch: normal; line-height: normal;" class=3D""><font =
face=3D"Courier" class=3D"">%\stopanswer</font></div><div style=3D"margin:=
 0px; font-stretch: normal; line-height: normal;" class=3D""><font =
face=3D"Courier" class=3D"">%\endanswer</font></div><div style=3D"margin: =
0px; font-stretch: normal; line-height: normal;" class=3D""><font =
face=3D"Courier" class=3D""><br class=3D""></font></div><div =
style=3D"margin: 0px; font-stretch: normal; line-height: normal;" =
class=3D""><font face=3D"Courier" =
class=3D"">\useblocks[question]</font></div><div style=3D"margin: 0px; =
font-stretch: normal; line-height: normal;" class=3D""><font =
face=3D"Courier" class=3D""><br class=3D""></font></div><div =
style=3D"margin: 0px; font-stretch: normal; line-height: normal;" =
class=3D""><font face=3D"Courier" class=3D"">\stoptext</font></div><div =
style=3D"margin: 0px; font-stretch: normal; line-height: normal;" =
class=3D""><font face=3D"Courier" class=3D""><br =
class=3D""></font></div></div></div></body></html>=

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