datafu-pig/src/main/java/datafu/pig/util/SimpleEvalFunc.java (2 lines):
	- line 103: // TODO Add support for other UDF types (e.g., FilterFunc)
	- line 104: // TODO Algebraic EvalFuncs


datafu-pig/src/main/java/datafu/pig/linkanalysis/PageRank.java (1 line):
	- line 327: // TODO log percentage complete every 5 minutes