LibreJS 7.21.0 released

Hello,

GNU LibreJS[1] aims to address the JavaScript problem described in Richard
Stallman's article The JavaScript Trap[2]. LibreJS is a free add-on for GNU
IceCat and other Mozilla-based browsers. It blocks nonfree nontrivial
JavaScript while allowing JavaScript that is free and/or trivial.

[1] https://www.gnu.org/software/librejs/
[2] https://www.gnu.org/philosophy/javascript-trap.html

The user manual pages are at
<https://www.gnu.org/software/librejs/manual/>.

Source tarballs and signed xpis are available at
<https://ftp.gnu.org/gnu/librejs/>.

The binary can also be found at the Firefox Browser Addon website:
<https://addons.mozilla.org/en-US/firefox/addon/librejs/>.

GPG key ID: EF86DFD0
Fingerprint: 47F9 D050 1E11 8879 9040  4941 2126 7E93 EF86 DFD0

See also
<https://savannah.gnu.org/project/memberlist-gpgkeys.php?group=librejs>.

== User-visible changes since 7.20.3 ==
New in 7.21.0

	* Fix bug #59021
	* Add headless test, which can be used by website developers to
	test LibreJS-compliance of their website
	* Fix license validation to check magnet link only for @license /
	@license-end method
	* Update documentation
	* Fix complaint dialog close bug
	(https://lists.gnu.org/archive/html/bug-librejs/2021-09/msg00002.html)
	* Fix @license-end detection to detect accept /* */ comments (bug
	#59533)
	* Add CECILL-2.0 and zlib licenses (bug #50682 and #53221)
	* Fix subresource integraty hash-busting bug (bug #62464 and #58131)

Best,
Yuchen

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