The CMaps come from Adobe, not Mozilla, and are not covered by the Apache-2.0 grant that applies to the rest of PDF.js. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
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Third-Party Licenses
This bundle redistributes the following third-party open source components in
public/assets/vendor/. Both licenses permit commercial use; both require that
their notices are preserved in redistributions.
pdfjs-dist
- Project: https://github.com/mozilla/pdf.js
- Package:
pdfjs-dist - Version:
5.6.205 - License: Apache-2.0, © Mozilla Foundation
- License text:
licenses/pdf.js-Apache-2.0.txt
Redistributed files:
vendor/pdf.min.jsvendor/pdf.worker.min.jsvendor/cmaps/— CID character maps, fetched on demand for PDFs using CJK or other CID-keyed encodingsvendor/standard_fonts/— replacements for the 14 standard PDF fonts, used when a document does not embed them
The upstream package ships no NOTICE file, so the attribution requirement of
Apache-2.0 section 4(d) does not apply.
CMaps inside vendor/cmaps/
The character maps are Adobe's, not Mozilla's, and carry their own BSD-3-Clause
terms: © 1990–2009 Adobe Systems Incorporated. The text ships with them in
vendor/cmaps/LICENSE and must stay in place.
Fonts inside vendor/standard_fonts/
The replacement fonts are not covered by Apache-2.0 and carry their own terms. Both license texts ship alongside the fonts and must stay in place:
| Files | License | Text |
|---|---|---|
Foxit*.pfb |
BSD-3-Clause, © 2014 PDFium Authors | vendor/standard_fonts/LICENSE_FOXIT |
LiberationSans-*.ttf |
SIL Open Font License 1.1, © 2010 Google, © 2012 Red Hat | vendor/standard_fonts/LICENSE_LIBERATION |
flipbook-js
- Project: https://github.com/taufiqelrahman/flipbook-js
- Package:
flipbook-js - Version:
1.1.1 - Author: Taufiq (npm/GitHub:
taufiqelrahman) - License: MIT, as declared in the
licensefield of the publishedpackage.json
Redistributed files:
vendor/flipbook.esm.min.jsvendor/flipbook.min.css
Note on provenance: upstream publishes no LICENSE file — neither in the
npm tarball nor in the GitHub repository (checked 2026-08-04; GitHub's own
license detection reports none). The MIT grant therefore rests solely on the
package.json declaration, and there is no upstream copyright notice to carry
over. No license text is reproduced here, because inventing one would
misrepresent what the author actually published.