`86dc5a`

Subject: DETECTLANGUAGE
Category: value
Formula: =DETECTLANGUAGE("hello world")
Canonical: en

Owning divergences (2)

DV-0009 excel: function not implemented — DETECTLANGUAGE, EPOCHTODATE, GOOGLEFINANCE (+8 more)
missing-function excel
DV-0010 formulas, hyperformula, ironcalc, lattice, libreoffice, pycel: function not implemented — DETECTLANGUAGE, EPOCHTODATE, GOOGLEFINANCE (+8 more)
missing-function formulashyperformulaironcalclatticelibreofficepycel

Per-engine results

matches canonical diverges no fixture

Engine	Verdict	Value
gsheets	match	en
excel	diverge	#N/A
lattice	diverge	#NAME?
ironcalc	diverge	#NAME?
hyperformula	diverge	#NAME?
libreoffice	diverge	#NAME?
formulas	diverge	#NAME?
pycel	diverge	#NAME?