this unbreaks fragment escaping for doc.perl6.org
escape space as +, not %20
I expect to merge this in the next day or two. The reason I won't add it right away is because I would like the change to come with at least two relevant tests (escape and unescape). Since I am going to be making changes myself soon I can add some tests if you like and currently plan to do so.
Thanks and look forward to merging,