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mkzungandClaude Opus 5.5
adf02f9f04
hard_owners took the first object naming a null-owner object in a 360 as its owner, kept or not.
When an object that is left out named it first, the reader dropped the object, though a kept one
held it too, and the save wrote the kept holder's 360 as 0.
hard_owners now lists every object naming it, in file order, and owner_of takes the first of
them that is kept, else the first. The read (retained_objects) and the write liveness pass in
finish run until what they keep settles; a file where no object has two hard owners takes one
pass, as before. The write pass no longer keeps a converted copy of every object's groups.
The test adds an object nothing keeps that names the held record before its holder does: the
held record stays with the holder and the stray object is dropped, DXF and DWG, twice. It fails
before this change ("DXF 1: no record held").
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01H43qQA41CJLauqXnPgBQ7r