Viewer:  https://mozilla.github.io/pdf.js/web/viewer.html
Chrome on Windows 10
When the attached PDF file is viewed, some of the fonts display as garbled text. 
[Arial, Courier, Times New Roman]
The file views correctly in Adobe Reader.
[fff.pdf](https://github.com/mozilla/pdf.js/files/4652174/fff.pdf)

}
        if (
          platformId === 0 &&
          (encodingId ===  0 ||
            encodingId ===  1 ||
            encodingId ===  3)
        ) {
          useTable = true;
          
          
        } else if (platformId === 1 && encodingId === 0) {
          useTable = true;
          
          
        } else if (
          platformId === 3 &&
          encodingId === 1 &&
          (hasEncoding || !potentialTable)
        ) {
          useTable = true;
          if (!isSymbolicFont) {
            canBreak = true;
          }
        } else if (isSymbolicFont && platformId === 3 && encodingId === 0) {
          useTable = true;
          let correctlySorted = true;
          if (i < numTables - 1) {
            const nextBytes = file.peekBytes(2),
              nextPlatformId = int16(nextBytes[0], nextBytes[1]);
            if (nextPlatformId < platformId) {