SELECT ST_removepoint('LINESTRING(0 0, 1 1)', 0);
SELECT ST_removepoint('LINESTRING(0 0, 1 1, 2 2)', 3);
SELECT ST_removepoint('LINESTRING(0 0, 1 1, 2 2)', -1);
SELECT ST_asewkt(ST_removepoint('LINESTRING(0 0, 1 1, 2 2)', 0));
SELECT ST_asewkt(ST_removepoint('LINESTRING(0 0, 1 1, 2 2)', 2));
SELECT ST_asewkt(ST_removepoint('LINESTRING(0 0 0, 1 1 1, 2 2 2)', 0));
SELECT ST_asewkt(ST_removepoint('LINESTRING(0 0 0, 1 1 1, 2 2 2)', 2));
SELECT ST_asewkt(ST_removepoint('LINESTRINGM(0 0 0, 1 1 1, 2 2 2)', 0));
SELECT ST_asewkt(ST_removepoint('LINESTRINGM(0 0 0, 1 1 1, 2 2 2)', 2));
SELECT ST_asewkt(ST_removepoint('LINESTRING(0 0 0 0, 1 1 1 1, 2 2 2 2)', 0));
SELECT ST_asewkt(ST_removepoint('LINESTRING(0 0 0 0, 1 1 1 1, 2 2 2 2)', 2));
SELECT ST_asewkt(ST_removepoint('LINESTRING(0 0 0 0, 1 1 1 1, 2 2 2 2, 3 3 3 3, 4 4 4 4, 5 5 5 5, 6 6 6 6, 7 7 7 7)', 2));
SELECT ST_asewkt(ST_removepoint('LINESTRING(0 0 0 0, 1 1 1 1, 2 2 2 2, 3 3 3 3, 4 4 4 4, 5 5 5 5, 6 6 6 6, 7 7 7 7)', 4));