News for hackers. Stuff that matters.
Re:Ask HN: Why are commas not allowed in urls? by randallma on Saturday May 31, 2014 @11:53PM (#7828110)
The Onion has their article urls in the format:

http://www.theonion.com/articles/scientific-community-baffle...

/articles/slug,id/

Re:Ask HN: Why are commas not allowed in urls? by daveslash on Monday June 02, 2014 @03:23PM (#7835507)
Wow, thanks, I don't think I'd ever noticed a URL with a comma. I don't think it's a valid* URL, but apparently it's definitely do-able.

*valid == conforming to spec.