I am making a book that include= s a series of maps which I created in LibreOffice Draw, but exported as a l= ossless PDF. After recently making some improvements to the map files, but = not the ConTeXt documents, I was surprised my document wouldn't compile any= more...I couldn't find any code errors and even reverted to older code from= the day before that compiled fine yesterday. It seemed the PDFs themselves= were making the errors, but the errors were inconsistent.. I deleted my Co= nTeXt install and downloaded the latest version of standalone, it still won= 't compile, but the errors are completely different. After a few tests I ca= me up with this minimal code which throws the error:

\starttext

&= nbsp;\externalfigure[xmap1]

\stoptext

If I compile this, and xmap1.pdf is a PDF= file in the same path, it outputs this error:

lua error > lua error on li= ne 4 in file ./test.tex:

registered function call [1606]: ...ext/t= ex/texmf-context/tex/context/base/mkxl/lpdf-pde.lmt:175: stack overflow
= stack traceback:
        ...ext/tex/t= exmf-context/tex/context/base/mkxl/lpdf-pde.lmt:175: in function <...ext= /tex/texmf-context/tex/context/base/mkxl/lpdf-pde.lmt:167>
&nbs= p;      (...tail calls...)
   &n= bsp;    ...ext/tex/texmf-context/tex/context/base/mkxl/lpdf-= pde.lmt:667: in for iterator 'for iterator'
    &nbs= p;   ...-context/tex/context/base/mkxl/lpdf-fix-imp-contents.lmt:= 96: in upvalue 'strip'
        ...-co= ntext/tex/context/base/mkxl/lpdf-fix-imp-contents.lmt:97: in upvalue 'strip= '
        ...-context/tex/context/bas= e/mkxl/lpdf-fix-imp-contents.lmt:97: in upvalue 'strip'
  &nbs= p;     ...-context/tex/context/base/mkxl/lpdf-fix-imp-c= ontents.lmt:97: in upvalue 'strip'
      &= nbsp; ...-context/tex/context/base/mkxl/lpdf-fix-imp-contents.lmt:97: in up= value 'strip'
        ...-context/tex= /context/base/mkxl/lpdf-fix-imp-contents.lmt:97: in upvalue 'strip'
&nbs= p;       ...-context/tex/context/base/mkxl/lp= df-fix-imp-contents.lmt:97: in upvalue 'strip'
    &= nbsp;   ...-context/tex/context/base/mkxl/lpdf-fix-imp-contents.l= mt:97: in upvalue 'strip'
        ...=      (skipping 99976 levels)
    = ;    ...-context/tex/context/base/mkxl/lpdf-fix-imp-contents= .lmt:97: in upvalue 'strip'
        .= ..-context/tex/context/base/mkxl/lpdf-fix-imp-contents.lmt:97: in upvalue '= strip'
        ...-context/tex/contex= t/base/mkxl/lpdf-fix-imp-contents.lmt:97: in upvalue 'strip'
  = ;      ...-context/tex/context/base/mkxl/lpdf-fix-= imp-contents.lmt:97: in upvalue 'strip'
     &n= bsp; ...-context/tex/context/base/mkxl/lpdf-fix-imp-contents.lmt:97: = in local 'strip'
        ...-context/= tex/context/base/mkxl/lpdf-fix-imp-contents.lmt:108: in upvalue 'document_p= df_strip_page'
        [string "local= lpdf_epdf_contentplugin =3D lpdf.epdf.con..."]:7: in local 'runner'
&nb= sp;       ...ext/tex/texmf-context/tex/contex= t/base/mkxl/lpdf-fix.lmt:136: in field 'pageplugin'
   &n= bsp;    ...ext/tex/texmf-context/tex/context/base/mkxl/lpdf-= pde.lmt:1401: in upvalue 'copypage'
      = ...ext/tex/texmf-context/tex/context/base/mkiv/grph-chk.lua:126: in = function <...ext/tex/texmf-context/tex/context/base/mkiv/grph-chk.lua:11= 1>
        ...ext/tex/texmf-contex= t/tex/context/base/mkxl/grph-inc.lmt:1696: in function <...ext/tex/texmf= -context/tex/context/base/mkxl/grph-inc.lmt:1681>
   &= nbsp;    (...tail calls...)
1     \st= arttext
2
3     &nb= sp; \externalfigure[xmap1]
4 >>
5    = ; \stoptext
6

mtx-context &n= bsp; | fatal error: return code: 1

This error isn't occurring for every PDF, some of = them are rendering with no such error. I tried different export settings in= LibreOffice Draw, but that seemed to have no impact. Some files render in = ConTeXt and some throw this error.

What is happening?
=

--Joel

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