** New features
+ `test' is now more compatible with Bash and POSIX:
+
+ `test -t', `test --help', and `test --version' now silently exit
+ with status 0. To test whether standard output is a terminal, use
+ `test -t 1'. To get help and version info for `test', use
+ `[ --help' and `[ --version'.
+
+ `test' now exits with status 2 (not 1) if there is an error.
+
wc count field widths now are heuristically adjusted depending on the input
size, if known. If only one count is printed, it is guaranteed to
be printed without leading spaces.