Grammatical features / gender power & prefix derivation

[Kip Cole]

My understanding of TR35 section 16.1 is that when deriving the grammatical gender of a “power” (like “square meter”) or “prefix” (like “milligram”) the basic operation is to strip the power and/or prefix and derive the gender of the base unit (“meter” in this case).

If my understanding is correct, then looking at the Section 16.1:
<deriveCompound feature="gender" structure="power" value="0"/> <!-- gender(square-meter) ←  gender(meter) --> 
<deriveCompound feature="gender" structure="prefix" value="0"/> <!-- gender(kilometer) ←  gender(meter)--> 
Is there any circumstance whereby “value” could be anything other than “0” ? Is there any circumstance where the power or prefix themselves would form part of the gender determination? (Based on the above I assume not, but confirmation would be helpful).  Looking at the locales for “root”, “de” and “fr”, all of them have “value=0” for “power” and “prefix”.

Many thanks, —Kip

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