Here is what the Free Software Foundation says on its front page about this bug:
"The W3C 'Royalty-Free' patent policy proposal does not protect the rights of the Free Software community to full participation in the implementation and extension of web standards. Please read more on this issue and send a comment to the W3C."
Part of the effort that moved the W3C to its present position was a furious outpouring of comments in opposition to the original proposal of the Englobulators:
The fix needed right now is a small fix. But the W3C must again be reminded with what jealous vigor we guard our right to build our Web the way we have built it down to this day, using free software. The bug appears in Item 3 of Section 3, titled 'W3C Royalty-Free (RF) Licensing Requirements,' of the present proposal.
This Item allows for a supposedly free grant to use a patent to be so restricted that a piece of Web infrastructure software might be encumbered if used for some non-Web use. Since the GPL does not allow such encumbrancing, GPL-ed Web software re-purposed for non-Web use could not be legally freely redistributed. Please read the Free Software Foundation's page on this bug.
Here is the official Last Call for Comments.
If you write a comment in your own words, for repair of the bug, it will help. I shall write in, and I shall argue against adoption of the buggy sub-section. I shall also suggest an extension of the deadline for comments.