URLs can't contain spaces; the space needs to be "URL-encoded" ("%20"). Many browsers these days render URL-encoded characters in the URL bar. Firefox (actuall

URLs can't contain spaces; the space needs to be "URL-encoded" ("%20"). Many browsers these days render URL-encoded characters in the URL bar. Firefox (actually Iceweasel) 18 handles this by displaying a space in the URL bar, but "%20" when I copy/paste it. Without doing any extra work, just copy pasting that URL after visiting it: http://www.stack-ed.com/#tag/python/user/14343/Ned%20Batchelder http://www.stack-ed.com/#tag/python/user/14343/Ned%20Batchel... Having URL-encoded values certainly is a usability problem, however, I do think that this should be registered as a bug with whatever browser you are using.