[Q] Best way to change global font size on stock?

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http://forum.xda-developers.com – Just had a good old internet search but couldn't find a definitive answer so I thought I'd ask the lovely people at xda. Hopefully someone will give me an answer before everyone gets pissy and this thread gets locked. Anyway, slightly deceptive title as I'm using a ROM based on stock, so, not entirely stock (Chameleon 1.2). Just made a switch away from Cyanogenmod due to the fairly awful battery life I was getting, hopeful this fixes that somewhat. However, I'm already really missing being able to make the font smaller, to a point where I can't use this at all. Is there a good AIO solut (HowTos)