I mistook that for ill-formed markdown formatting -- sorry!
On Jun 13, 2013 7:03 AM, "Ryan Neufeld" <notifications@github.com> wrote:

> In composite-data/maps/retrieving-keys/retrieving-keys.asciidoc:
>
> > @@ -167,8 +167,7 @@ It is also possible to use the +contains?+ function, which takes a
> >  collection and a key, and returns true if and only if the collection
> >  has a specific entry for that key, even if the value is +nil+.
> >
> > -.The meaning of +contains?+
>
> Hey Daemian, this is actually an Asciidoc sidebar block, did you mean to
> remove it?
>
> Example sidebar:
> [image: screen shot 2013-06-13 at 7 02 17 am]<https://f.cloud.github.com/assets/13017/647948/cfa5ea92-d418-11e2-8fc5-2f6c41cfdb4f.png>
>
> —
> Reply to this email directly or view it on GitHub<https://github.com/clojure-cookbook/clojure-cookbook/pull/21/files#r4676436>
> .
>