words =+ patch]"
> >
> > Perhaps a strip() is in order.  Or should the user remove the spaces
> > when composing the subject?
>
> Probably the best workaround is to not use spaces for now, I'm not sure
> what other repercussions a strip there could have (not only keywords are
> parsed that way).
> If you think it's safe I'm open for a patch :-)

Spaces are already stripped from the property name.  I don't see what
harm stripping them from the property value could have.