[Tagging] Fast Food Restaurants

[Greg Troxel]

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.
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