This directory contains an official PDF.js release version, distributed at: https://github.com/mozilla/pdf.js

To update to a newer version:

1. Delete existing files except for this README.webkit.md.
2. Grab a new official release (*-dist.zip, modern browsers version) distributed at GitHub and extract everything into this directory.
3. Delete the sourcemap (.js.map) files (currently viewer.js.map, pdf.js.map, pdf.worker.js.map, and pdf.sandbox.js.map).
4. Delete the example PDF file, compressed.tracemonkey-pldi-09.pdf.
5. From top source dir, run: 'Tools/glib/generate-pdfjs-resource-manifest.py --cmake --input=Source/ThirdParty/pdfjs --output=Source/ThirdParty/pdfjs/PdfJSFiles.cmake'
6. Build WebKit, your favorite port will do
7. Sanity-check by loading https://www.irs.gov/pub/irs-pdf/i1040gi.pdf (big PDF) and https://www.irs.gov/pub/irs-pdf/f1040.pdf (PDF with forms)