<div dir="ltr"><div class="gmail_extra">The problem with "keep it simple" is you embed a lot of assumptions into things,</div><div class="gmail_extra">and then get tagging drift.</div><div class="gmail_extra">The clearer the mapping between what's on the ground, and in the tags, the better.</div><div class="gmail_extra"><br></div><div class="gmail_extra">"water_potable=yes/no" in particular embeds a lot of assumptions and judgement calls.</div><div class="gmail_extra">potable_status=signed_potable|signed_hazardous|signed_untested" is better in that way.</div></div>