Flags are only ever written by the server as numbers, so a malformed
flag can't come from our own saves. Skipping one on load would drop it
from the character on the next save, which is worse than the load
failing. Restores the original parsing; the null checks for a missing
obj tag and the refusal to save a character whose xml never loaded stay.
Refs #1332
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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