Improve formatting and naming consistency of the syntax tests.
closes: #17850
Signed-off-by: Doug Kearns <dougkearns@gmail.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
Fix command name termination, match bang, and allow a line-continued
argument.
closes: #15358
Signed-off-by: Doug Kearns <dougkearns@gmail.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>