py3: use bytes stdout in test-check-help.t
Setting stdout to binary seemed to have no effect on Windows, as it was
appending a literal '\r' to each topic keyword. This also stops prepending 'b'
to the topic on all platforms as well.
--- a/tests/test-check-help.t Wed Oct 31 22:43:08 2018 +0900
+++ b/tests/test-check-help.t Tue Dec 18 14:01:06 2018 -0500
@@ -10,13 +10,14 @@
> import msvcrt
> import os
> msvcrt.setmode(sys.stdout.fileno(), os.O_BINARY)
+ > stdout = getattr(sys.stdout, 'buffer', sys.stdout)
> topics = set()
> topicre = re.compile(br':hg:`help ([a-z0-9\-.]+)`')
> for fname in sys.argv:
> with open(fname, 'rb') as f:
> topics.update(m.group(1) for m in topicre.finditer(f.read()))
> for s in sorted(topics):
- > print(s)
+ > stdout.write(b'%s\n' % s)
> EOF
$ cd "$TESTDIR"/..