-We take a Well-Known Text string as input, and optionally a filename
-to which to write the output. While we shouldn't technically *need*
-access to a PostGIS database to perform this conversion, it makes
-everything a lot easier, so we require it.
+We take a Well-Known Text[1] string as input, and optionally a
+filename to which to write the output. While we shouldn't technically
+*need* access to a PostGIS database to perform this conversion, it
+makes everything a lot easier, so we require it.