`typedef struct { ... } akgl_Tilemap;` declares no struct tag, so
`struct akgl_Tilemap` does not exist and no header can forward-declare it. That
is fine while every consumer includes tilemap.h, and it is a blocker the moment
a leaf header needs to name the type without pulling it in -- which the coming
collision header does, since tilemap.h reaches physics.h and a cycle forms
otherwise.
All four types in the file get a tag rather than just akgl_Tilemap: they are
siblings declared the same way in the same header, and tagging one of four is
the kind of inconsistency that makes the next reader wonder what is special
about it.
Layout-identical and no behaviour: a tag names a type, it does not change one.
Full suite, reindent and doxygen unchanged.
sprite.h and iterator.h declare their types the same way and are deliberately
left alone; nothing needs to forward-declare them yet.
Co-Authored-By: Claude Code <noreply@anthropic.com>
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Andrew Kesterson
06f8e03a03
