While we are celebrating new potential complexity, since that seems to be the whole point of this list much of the time,
The new information doesn't add any potential complexity which wasn't there before. It just explains a bunch of sentences that we already had in canon.
Good:
{tlhIngan Hol ghojlu’chu’ ‘e’ chavlu’chugh QuchchoH Hoch}
Not so good, even if it is grammatically legal:
{tlhIngan Hol ghojlu’chu’ QuchchoH Hoch ‘e’ chavlu’chugh}
It might be grammatically legal, but it doesn't have the same meaning. This sentence means "one learns Klingon perfectly, if everyone becoming happy is achieved".
The sentence I think you had intended would be:
{QuchchoH Hoch, tlhIngan Hol ghojlu'chu' 'e' chavlu'chugh}
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De'vID