fitsio: ignore duplicate card keys

astrogo / fitsio

fitsio is a pure-Go package to read and write `FITS` files

BSD 3-Clause "New" or "Revised" License

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Closed sbinet closed 6 years ago

sbinet commented 6 years ago

The C reference FITS implementation silently ignores duplicate card keys For compatibility with legacy software and users expectations, do the same.

Fixes astrogo/fitsio#38