When I enter a b y [z](https://duckduckgo.com)
and a b y [z](https://duckduckgo.com)
as comments, the two comments immediately below this post appear.
Here is a screenshot from Safari 7 on my Mac OS 10.9, in which it removed the space between the y
and the z
link.
(In fact, I now notice that it also removed the hypen that usually separates user-name and time.)
a
andb
, one betweenb
andy
, and one betweeny
and thez
link.