From 49d13b285d52239f2967e4e527237cc22e52e01e Mon Sep 17 00:00:00 2001
From: Alan Donovan
+ p.200, TestEval function: the format string in the final call to
+ t.Errorf should format test.env with %v,
+ not %s.
+ (Thanks to Mitsuteru Sawa, 2015-12-07.)
+
p.362: the gopl.io/ch13/bzip program
does not comply with the