>> However, to allow such kind of testing I strongly suggest that >> Fontation and FreeType can coexist in FontConfig, similar to >> HarfBuzz that also allows multiple backends AFAIK. > > I propose to add a build option for that, which is also how the demo > is implemented. What exactly do you mean with 'build option'? I would like to have a the possibility to select the backend at runtime so that it is easy to run regression tests with different backends using a single FontConfig library. This would need an additional (but rather trivial) API function, though, I guess. Werner