LibreOffice HTML to PDF conversion, font config rule for lang fails












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We are using LibreOffice 5.4 for converting HTML to PDF via UNO API. We have added some font configuration (fonts.conf) to select a particular Malayalam font when the language is Malayalam(ml-in)



<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE fontconfig SYSTEM "fonts.dtd">
<fontconfig>
<match>
<test name="lang" compare="contains">
<string>ml</string>
</test>
<test name="family">
<string>sans-serif</string>
</test>
<edit name="family" mode="prepend">
<string>Meera</string>
</edit>
</match>
</fontconfig>


But when we convert a HTML containing Malayalam (ml-in) language using LO then this matching always fails but when we use wkhmtltopdf then this match is successful, so after debugging (FC_DEBUG) we found that the language comparison fails for LO i.e. the language is printed as hi instead of ml, why is it so? are we missing any configuration?










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    0















    We are using LibreOffice 5.4 for converting HTML to PDF via UNO API. We have added some font configuration (fonts.conf) to select a particular Malayalam font when the language is Malayalam(ml-in)



    <?xml version="1.0" encoding="UTF-8"?>
    <!DOCTYPE fontconfig SYSTEM "fonts.dtd">
    <fontconfig>
    <match>
    <test name="lang" compare="contains">
    <string>ml</string>
    </test>
    <test name="family">
    <string>sans-serif</string>
    </test>
    <edit name="family" mode="prepend">
    <string>Meera</string>
    </edit>
    </match>
    </fontconfig>


    But when we convert a HTML containing Malayalam (ml-in) language using LO then this matching always fails but when we use wkhmtltopdf then this match is successful, so after debugging (FC_DEBUG) we found that the language comparison fails for LO i.e. the language is printed as hi instead of ml, why is it so? are we missing any configuration?










    share|improve this question



























      0












      0








      0








      We are using LibreOffice 5.4 for converting HTML to PDF via UNO API. We have added some font configuration (fonts.conf) to select a particular Malayalam font when the language is Malayalam(ml-in)



      <?xml version="1.0" encoding="UTF-8"?>
      <!DOCTYPE fontconfig SYSTEM "fonts.dtd">
      <fontconfig>
      <match>
      <test name="lang" compare="contains">
      <string>ml</string>
      </test>
      <test name="family">
      <string>sans-serif</string>
      </test>
      <edit name="family" mode="prepend">
      <string>Meera</string>
      </edit>
      </match>
      </fontconfig>


      But when we convert a HTML containing Malayalam (ml-in) language using LO then this matching always fails but when we use wkhmtltopdf then this match is successful, so after debugging (FC_DEBUG) we found that the language comparison fails for LO i.e. the language is printed as hi instead of ml, why is it so? are we missing any configuration?










      share|improve this question
















      We are using LibreOffice 5.4 for converting HTML to PDF via UNO API. We have added some font configuration (fonts.conf) to select a particular Malayalam font when the language is Malayalam(ml-in)



      <?xml version="1.0" encoding="UTF-8"?>
      <!DOCTYPE fontconfig SYSTEM "fonts.dtd">
      <fontconfig>
      <match>
      <test name="lang" compare="contains">
      <string>ml</string>
      </test>
      <test name="family">
      <string>sans-serif</string>
      </test>
      <edit name="family" mode="prepend">
      <string>Meera</string>
      </edit>
      </match>
      </fontconfig>


      But when we convert a HTML containing Malayalam (ml-in) language using LO then this matching always fails but when we use wkhmtltopdf then this match is successful, so after debugging (FC_DEBUG) we found that the language comparison fails for LO i.e. the language is printed as hi instead of ml, why is it so? are we missing any configuration?







      wkhtmltopdf libreoffice html-to-pdf uno fontconfig






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      edited Nov 30 '18 at 4:36







      wolverine

















      asked Nov 16 '18 at 6:16









      wolverinewolverine

      339320




      339320
























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