It would be beneficial if there was a way to declare overrides for quads that do not have a tint index, and for all quads (any tint index) in a model. The keys used for declaration could be * (wildcard) for all quads (any tint index), and -1 for no tint index (see: BakedQuad#hasTintIndex).

Mod version: MC1.12.2-0.3.1.16
Forge version: 1.12.2-14.23.4.2705