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@verb #1492:"location_string" this none this rx #60
@program #1492:"location_string" this none this
"location_string([location])"
"A nice-looking version of the location provided, or current location."
loc = args && args[1] || this.stack[1]
where = loc[1]
if (st = loc[4])
  "human readable string"
  return st[2..length(st)] + " (from " + where + ")"
elseif (loc[3])
  return loc[3] + " (from " + where + ")"
endif
return where
.

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