[pacman-dev] What about managing optional dependencies?

I'm not (yet :) a good C programmer, so it's just a hint, and I don't know if it's easily implementable in pacman, but sometimes there is software that works even without another one, but having this installed let you perform other functions (probably this sentence is bad written, hope you all know what an "optionale dependency" is ;) . As you know there is no way in pacman to handle this kind of dependency except writing a warning message in the .install . I think would be useful to have (at least) an array where to put this type of deps. Am I just a fool? -- Alessio 'mOLOk' Bolognino