4. It's not proprietary and doesn't restrict people's ability to freely use thei... | Hacker News

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		yarrel on May 22, 2014 \| parent \| context \| favorite \| on: PDFium: Chrome’s PDF rendering engine is now open-... 4. It's not proprietary and doesn't restrict people's ability to freely use their web browser.

teraflop on May 22, 2014 [–]

What do you mean by "proprietary"? Pdfium is BSD-licensed, and pdf.js uses the Apache 2 license; both are extremely permissive.

async5 on May 22, 2014 | [–]

Except one does not provide protection from the patents.

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