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gridcraft/crates/functions
Marco Arnulfo f63a437d5b Formulas: keep _xludf. so user-defined calls stay user-defined (fixes #726)
The parser stripped _xludf. like _xlfn., but the two mean opposite things:
_xludf. marks a name Excel must not treat as a built-in. Keeping it in the
call name makes the call an unknown function (#NAME?, as in Excel) and the
writer emits it unchanged, so _xludf.EOMONTH() no longer saves as an
EOMONTH() call Excel repairs away.
2026-10-12 19:07:32 +02:00
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