Symbol “№” in cm-super cause problem with PDF/A generation by the meanings of VeraPDF-validator












0















At the moment we are trying to produce PDF/A-1b compliant version of our journal issues for the state library.



Journal is mixed language - russian/english, so we use cyrrilic and some specific for russian typographic standarts symbols. Particularly - symbol "№" for numbering the issues and grants of russian funds and so on. For typesetting we use cm-super (Type 1) vector fonts.



The problem is: that symbol (№, No, textnumero) generates next "error" (failure) by the meaning of VeraPDF-validator (that probably is used by the library) -




Specification: ISO 19005-1:2005, Clause: 6.3.6, Test number: 1 For
every font embedded in a conforming file and used for rendering, the
glyph width information in the font dictionary and in the embedded
font program shall be consistent.




Now we are considering as a variant of solution changing the "№" font symbol to something like this:



defourNo{Nkern-.05em-kern-.37emraise.75exhbox{scriptsize o}@}


It looks similar but not the same as original "№" in Type 1 and when copying as a text from PDF it generates several symbols (N-o) and that's not good. But it works.



Does anyone know that problem and can help with the other solutions?



Here is simple code:



documentclass{article}
%usepackage{cmap} - disabling or enabling have no effect on the problem
usepackage[a-1b]{pdfx}
%usepackage{hyperref} - disabling or enabling have no effect on the problem
usepackage[russian,english]{babel}
usepackage[T2A]{fontenc}
usepackage[cp1251]{inputenc}

begin{document}

end{document}








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    0















    At the moment we are trying to produce PDF/A-1b compliant version of our journal issues for the state library.



    Journal is mixed language - russian/english, so we use cyrrilic and some specific for russian typographic standarts symbols. Particularly - symbol "№" for numbering the issues and grants of russian funds and so on. For typesetting we use cm-super (Type 1) vector fonts.



    The problem is: that symbol (№, No, textnumero) generates next "error" (failure) by the meaning of VeraPDF-validator (that probably is used by the library) -




    Specification: ISO 19005-1:2005, Clause: 6.3.6, Test number: 1 For
    every font embedded in a conforming file and used for rendering, the
    glyph width information in the font dictionary and in the embedded
    font program shall be consistent.




    Now we are considering as a variant of solution changing the "№" font symbol to something like this:



    defourNo{Nkern-.05em-kern-.37emraise.75exhbox{scriptsize o}@}


    It looks similar but not the same as original "№" in Type 1 and when copying as a text from PDF it generates several symbols (N-o) and that's not good. But it works.



    Does anyone know that problem and can help with the other solutions?



    Here is simple code:



    documentclass{article}
    %usepackage{cmap} - disabling or enabling have no effect on the problem
    usepackage[a-1b]{pdfx}
    %usepackage{hyperref} - disabling or enabling have no effect on the problem
    usepackage[russian,english]{babel}
    usepackage[T2A]{fontenc}
    usepackage[cp1251]{inputenc}

    begin{document}

    end{document}








    share







    New contributor




    Andrey Yurchenko is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
    Check out our Code of Conduct.























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      At the moment we are trying to produce PDF/A-1b compliant version of our journal issues for the state library.



      Journal is mixed language - russian/english, so we use cyrrilic and some specific for russian typographic standarts symbols. Particularly - symbol "№" for numbering the issues and grants of russian funds and so on. For typesetting we use cm-super (Type 1) vector fonts.



      The problem is: that symbol (№, No, textnumero) generates next "error" (failure) by the meaning of VeraPDF-validator (that probably is used by the library) -




      Specification: ISO 19005-1:2005, Clause: 6.3.6, Test number: 1 For
      every font embedded in a conforming file and used for rendering, the
      glyph width information in the font dictionary and in the embedded
      font program shall be consistent.




      Now we are considering as a variant of solution changing the "№" font symbol to something like this:



      defourNo{Nkern-.05em-kern-.37emraise.75exhbox{scriptsize o}@}


      It looks similar but not the same as original "№" in Type 1 and when copying as a text from PDF it generates several symbols (N-o) and that's not good. But it works.



      Does anyone know that problem and can help with the other solutions?



      Here is simple code:



      documentclass{article}
      %usepackage{cmap} - disabling or enabling have no effect on the problem
      usepackage[a-1b]{pdfx}
      %usepackage{hyperref} - disabling or enabling have no effect on the problem
      usepackage[russian,english]{babel}
      usepackage[T2A]{fontenc}
      usepackage[cp1251]{inputenc}

      begin{document}

      end{document}








      share







      New contributor




      Andrey Yurchenko is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.












      At the moment we are trying to produce PDF/A-1b compliant version of our journal issues for the state library.



      Journal is mixed language - russian/english, so we use cyrrilic and some specific for russian typographic standarts symbols. Particularly - symbol "№" for numbering the issues and grants of russian funds and so on. For typesetting we use cm-super (Type 1) vector fonts.



      The problem is: that symbol (№, No, textnumero) generates next "error" (failure) by the meaning of VeraPDF-validator (that probably is used by the library) -




      Specification: ISO 19005-1:2005, Clause: 6.3.6, Test number: 1 For
      every font embedded in a conforming file and used for rendering, the
      glyph width information in the font dictionary and in the embedded
      font program shall be consistent.




      Now we are considering as a variant of solution changing the "№" font symbol to something like this:



      defourNo{Nkern-.05em-kern-.37emraise.75exhbox{scriptsize o}@}


      It looks similar but not the same as original "№" in Type 1 and when copying as a text from PDF it generates several symbols (N-o) and that's not good. But it works.



      Does anyone know that problem and can help with the other solutions?



      Here is simple code:



      documentclass{article}
      %usepackage{cmap} - disabling or enabling have no effect on the problem
      usepackage[a-1b]{pdfx}
      %usepackage{hyperref} - disabling or enabling have no effect on the problem
      usepackage[russian,english]{babel}
      usepackage[T2A]{fontenc}
      usepackage[cp1251]{inputenc}

      begin{document}

      end{document}






      pdf-a type1





      share







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      Andrey Yurchenko is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.










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      Andrey Yurchenko is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.








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      Andrey YurchenkoAndrey Yurchenko

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      New contributor





      Andrey Yurchenko is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.






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