I didn't read much existing codebases and started doing it myself. I probably stuck with it because vim does visual highlighting of TODO/XXX/FIXME/etc., but I d

I didn't read much existing codebases and started doing it myself. I probably stuck with it because vim does visual highlighting of TODO/XXX/FIXME/etc., but I definitely picked it as a searchable "I'm not going to reuse this string of characters" marker.