filters: Small fixes for generic filters
Small fixes for things I noticed when translating filters-generic:
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Normalise -> Normalize, American spelling is used in the rest of strings.
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TQDO -> TODO
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Manhattan and Chebyshev distance were not translatable, despite being so in GEGL. My guess is that it is since they were lone
<guilabel>
tags in a<para>
, as Euclidean that had a description is translatable. This adds a description of these other metrics, and they are now translatable together with their description.