[Tagging] small change to turn restriction relation tagging

[Tobias Knerr]

On 22.04.2014 23:46, Richard Welty wrote:
> i would like to add emergency (for emergency vehicles) to the list of
> vehicle types for the except tag.
> 
> this doesn't seem like it should be a major or controversial issue,
> but i'd like to hear any objections/suggestions

I don't think this would cause any problems, so I don't have any objections.

However, I think it would be better in the long term to use the
"Conditional restrictions" syntax for turn restrictions, too.