Fix WKTReader and WKTWriter handling of collections with all empty elems #702
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…ements Signed-off-by: Martin Davis <mtnclimb@gmail.com>
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This fixes a bug in
WKTWritercausing collections with all empty elements to be output as completely empty collections.E.g.
MULTIPOINT( EMPTY, EMPTY)was written asMULTIPOINT EMPTY.While collections containing empty elements are of dubious value,
WKTWritershould not be masking this structure.Also fixes a
WKTReaderbug preventingMULTIPOINT( EMPTY, EMPTY)from being parsed.Signed-off-by: Martin Davis mtnclimb@gmail.com