[[!comment format=mdwn
 username="joey"
 subject="""comment 1"""
 date="2017-10-30T16:11:42Z"
 content="""
The limitation on spaces in key names only impacts
exporting to external special remotes, so "exp" must be some kind
of external special remote. (I was not aware of any that
supported exports yet..) 

I was able to reproduce this using an external special remote, 
but not otherwise.
"""]]