- Match -addr and -keepscript attributes and generate -addr values.
- Match attribute errors where = is specified.
- Highlight attributes with Special like other Ex command options.
- Don't highlight user-specified completion function args.
- Match :delcommand -buffer attribute.
closes: #15586
Signed-off-by: Doug Kearns <dougkearns@gmail.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>