[NTG-context] Error message: Invalid UTF-8 sequence (sometimes since update in last 3-4 weeks)

Mon, 17 Sep 2018 01:51:18 -0700 

Good day
Disclaimer: I am a beginner, and I apologise upfront if there is a simple answer to this question that I should have known. 


Today I tried to compile an existing .tex file, and I received the 
following error message:



/tex error on line 6 in file /Users/jjc/wrk/ctx/brx-test.pdf: ! String 
contains an invalid utf-8 sequence/



It's been about 3 weeks since I last experimented with ConTeXt. I am 
running on MacOS High Sierra 10.13.6, and I have not had an OS update 
since I last ran ConTeXt.


I tried the following:


1) I tried to compile another file, which previously compiled 
successfully, and I had the same problem.



2) I then created a very simple .tex file (\starttext Hello World   
\stoptext ), and again I had the same problem.



3) I checked the format of my .tex file in 2 different editors to ensure 
that it is utf-8. (I normally use MacVim and it is clearly displaying 
the file format as utf-8 at the bottom of the editor)



4) I updated my ConTeXt installation, restarted my Mac and tried again. 
The only difference was that some of the output stream was displayed 
after the error message.



5) I checked the log file for my simple file, but could not find any 
information to help me. The log file looks as follows:



/open source     > level 1, order 1, name 
'/Users/jjc/ctx/tex/texmf-context/tex/context/base/mkiv/cont-yes.mkiv'

system          >

system          > ConTeXt  ver: 2018.09.13 17:41 MKIV beta fmt: 
2018.9.17  int: english/english

system          >
system          > 'cont-new.mkiv' loaded

open source     > level 2, order 2, name 
'/Users/jjc/ctx/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/jjc/ctx/tex/texmf-context/tex/context/base/mkiv/cont-new.mkiv'

system          > files > jobname 'tmp', input './tmp.pdf', result 'tmp'
fonts           > latin modern fonts are not preloaded
languages       > language 'en' is active
open source     > level 2, order 3, name '/Users/jjc/wrk/ctx/tmp.pdf'


tex error       > tex error on line 6 in file 
/Users/jjc/wrk/ctx/tmp.pdf: ! String contains an invalid utf-8 sequence x^=
     ;Â@@=/y?-$êíí--TÜ¿%xâô й йàËÓËÓÓ((ÇUUH'3ñ¤q/q/ 
!MUS8Ø[[LJãI×I...


 1     %PDF-1.7
 2     %ÌÕÁÔÅØÐÄÆ
 3     9 0 obj
 4     << /Filter /FlateDecode /Length 122 >>
 5     stream

 6 >>  x^=Œ;Â@û=…/€yö®?‘¢-$êí-TÜ¿% xšâô йàËÓ(ÇUH„'3ñ¤q/² 
!M°U‡S8Ø[LJãI×0í·qù›N

 7     (×l&?­.@U å>“~¨j[ ¤§¼C8öW×OtåÅc!±
 8     endstream
 9     endobj
10     13 0 obj
11     << /Subtype /XML /Type /Metadata /Length 2016 >>
12     stream

13     <?xpacket begin="" 
id="W5M0MpCehiHzreSzNTczkc9d"?><x:xmpmeta 
xmlns:x="adobe:ns:meta/"><rdf:RDF 
xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#";><rdf:Description 
rdf:about="" 
xmlns:dc="http://purl.org/dc/elements/1.1/";><dc:format>application/pdf</dc:format><dc:creator><rdf:Seq><rdf:li 
xml:lang="x-default"/></rdf:Seq></dc:creator><dc:description><rdf:Alt><rdf:li 
xml:lang="x-default"/></rdf:Alt></dc:description><dc:title><rdf:Alt><rdf:li 
xml:lang="x-default">tmp</rdf:li></rdf:Alt></dc:title></rdf:Description><rdf:Description 
rdf:about="" xmlns:pdfx="http://ns.adobe.com/pdfx/1.3/";><pdfx:ID>tmp | 
2018-09-17T10:36:11+02:00</pdfx:ID><pdfx:ConTeXt.Jobname>tmp</pdfx:ConTeXt.Jobname><pdfx:ConTeXt.Time>2018-09-17 
10:36</pdfx:ConTeXt.Time><pdfx:ConTeXt.Url>www.pragma-ade.com</pdfx:ConTeXt.Url><pdfx:ConTeXt.Support>contextgarden.net</pdfx:ConTeXt.Support><pdfx:ConTeXt.Version>2018.09.13 
17:41</pdfx:ConTeXt.Version><pdfx:TeX.Support>tug.org</pdfx:TeX.Support><pdfx:LuaTeX.Version>1.09</pdfx:LuaTeX.Version><pdfx:LuaTeX.Functionality>6930</pdfx:LuaTeX.Functionality><pdfx:LuaTeX.LuaVersion>5.3</pdfx:LuaTeX.LuaVersion><pdfx:LuaTeX.Platform>osx-64</pdfx:LuaTeX.Platform></rdf:Description><rdf:Description 
rdf:about="" 
xmlns:xmp="http://ns.adobe.com/xap/1.0/";><xmp:CreateDate>2018-09-17T10:36:11+02:00</xmp:CreateDate><xmp:CreatorTool>LuaTeX 
1.09 6930 + ConTeXt MkIV 2018.09.13 
17:41</xmp:CreatorTool><xmp:ModifyDate>2018-09-17T10:36:11+02:00</xmp:ModifyDate><xmp:MetadataDate>2018-09-17T10:36:11+02:00</xmp:MetadataDate></rdf:Description><rdf:Description 
rdf:about="" 
xmlns:pdf="http://ns.adobe.com/pdf/1.3/";><pdf:Keywords/><pdf:Producer>LuaTeX-1.09</pdf:Producer><pdf:Trapped>False</pdf:Trapped></rdf:Description><rdf:Description 
rdf:about="" 
xmlns:xmpMM="http://ns.adobe.com/xap/1.0/mm/";><xmpMM:DocumentID>uuid:b3de9df0-4961-b363-350b-5ad87c38575c</xmpMM:DocumentID><xmpMM:InstanceID>uuid:05361f45-44fe-8816-3e28-0accb69e9eec</xmpMM:InstanceID></rdf:Description></rdf:RDF></x:xmpmeta><?xpacket 
end="w"?>

14     endstream
15     endobj
16     16 0 obj
?

tex error       > tex error on line 6 in file 
/Users/jjc/wrk/ctx/tmp.pdf: ! Interruption

<to be read again> /

I would appreciate any help or advice.


--
Kind regards
Jacqui Coosner
Cell: 083-252-7483


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