- Match bang, "all" and "termcap" options, and trailing command
separator "|".
- Highlight set assignment operators.
- Match multiline :set and multiline option values.
- Mention the newer "0o" octal prefix at :help :set=.
closes: #15329
Signed-off-by: Doug Kearns <dougkearns@gmail.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
