Pushed ahead on the output test cases in particular this weekend. Headline figures are now

	Run	Failures	Errors	Skips
...
output	108	78 23	0	1 41
...
sort	37	7	0	10 2
...
Total	1421	174 111	0	93 124

My spreadsheet, which you'll no doubt recall I'm excited about, says that the total tests run is 1297 with 111 failures, for a success rate of 91.4%. Go statistics!