In nearly every recent important Apple executive speech, the Powers That Be have mentioned an Apple technology investigation initially referred to as Project X and now called HotSauce
In TidBITS-162, there's a second part of a hack started in TidBITS-157 to make ATM 2.0.2, 2.0.3, and 2.0.4 work under System 7.1. The hack in TidBITS-157 involves replacing the Folder Manager identifier 'extn' with 'font', so ATM looks in the Fonts folder instead of the Extensions folder when seeking Type 1 fonts to render