
Attach (recommended) or Link to PDF file here:
[NAPEN16171380959.pdf](https://github.com/mozilla/pdf.js/files/6143802/NAPEN16171380959.pdf)

Configuration:
- Web browser and its version: Firefox 88 Nightly
- Operating system and its version: Windows 10
- PDF.js version:
- Is a browser extension: No

What went wrong? (add screenshot)
![](https://user-media-prod-cdn.itsre-sumo.mozilla.net/uploads/images/2021-03-15-10-58-27-ce2796.png)


}
            for (let i = 0; i < cmapMappingsLength; ++i) {
              if (cmapMappings[i].charCode !== unicodeOrCharCode) {
                continue;
              }
              charCodeToGlyphId[charCode] = cmapMappings[i].glyphId;
              break;
            }
          }
        } else if (cmapPlatformId === 0) {
          
          for (let i = 0; i < cmapMappingsLength; ++i) {
            charCodeToGlyphId[cmapMappings[i].charCode] =
              cmapMappings[i].glyphId;
          }
        } else {
          
          
          
          
          
          
          
          
          
          
          for (let i = 0; i < cmapMappingsLength; ++i) {
            let charCode = cmapMappings[i].charCode;
            if (
              cmapPlatformId === 3 &&