[Tagging] Fast Food Restaurants

Eugene Alvin Villar seav80 at gmail.com
Wed May 29 14:47:26 UTC 2013

On Wed, May 29, 2013 at 7:18 AM, Greg Troxel <gdt at ir.bbn.com> wrote:

> Tac Tacelosky <tacman at gmail.com> writes:
> > Are there any punctuation restrictions on tags?  In particular, commas
> > could be problematic for storing a list of tags as a single string.
> I am not clear on a formal grammer, but it seems clear that tag names
> and non-numeric tag values should be limited to a-z, 0-9, and _, with
> the leading character being a-z, and ; denoting multiple values.  This
> is fundamentally about communicating to computer programs.

Usually, but there exists exceptions such as service=drive-through instead
of the expected service=drive_through or even service=drivethrough:
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