How sensitive loaders are to errors, from never stop (very insensitive), to stop on the smallest warning (very sensitive).
Each one implies the ones before it, so #VIPS_FAIL_ON_ERROR implies #VIPS_FAIL_ON_TRUNCATED.
stop on serious error or truncation
never stop
stop on image truncated, nothing else
stop on anything, even warnings
How sensitive loaders are to errors, from never stop (very insensitive), to stop on the smallest warning (very sensitive).
Each one implies the ones before it, so #VIPS_FAIL_ON_ERROR implies #VIPS_FAIL_ON_TRUNCATED.