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In the thread http://typophile.com/node/103643, a question was raised that can be reformulated as follows: "how can one build the latin small letter alpha?", which is uni0251 (in the IPA extensions). Even with a serif font, its lower part appears to be that of a d and its upper part that of a q. My question here is how to do that programmatically.
The intent, in the tread above, was to get the corresponding glyph for the Roboto fonts. The question is interesting because with Roboto, in all fonts, the d and the q have the same number of truetype points, and they are numbered similarly. In order to get the "latin small letter alpha" in the middle below, I took a d and then moved the points 6, 7 and 8 at the coordinates they have in the letter q.