Patch1:

Postgres thinks dist_pl (dist of a point to a line) is expecting a box (603)
for the right arg, but it really should be a line (628).

Otherwise the left & right args match those of dist_pb (dist of a point to a
box) two lines further down.


Patch2:

Anyways, these two functions take a path (602) whereas in pg_proc.h they are
listed as taking a lseg (601).