shelve: lowercase flag description
The help for --unknown is the *only* command that started with a capital letter
#require test-repo
$ check_code="$TESTDIR"/../contrib/check-code.py
$ cd "$TESTDIR"/..
New errors are not allowed. Warnings are strongly discouraged.
(The writing "no-che?k-code" is for not skipping this file when checking.)
$ hg locate | sed 's-\\-/-g' |
> xargs "$check_code" --warnings --per-file=0 || false
Skipping hgext/zeroconf/Zeroconf.py it has no-che?k-code (glob)
Skipping i18n/polib.py it has no-che?k-code (glob)
Skipping mercurial/httpclient/__init__.py it has no-che?k-code (glob)
Skipping mercurial/httpclient/_readers.py it has no-che?k-code (glob)
Skipping mercurial/httpclient/socketutil.py it has no-che?k-code (glob)