Match Vim9-script comments after :def and :enddef and legacy-script
comments after :func and :endfunc, in any definition context.
Highlight incorrect comment types after these commands as errors.
fixes: #15062closes: #15072
Signed-off-by: Doug Kearns <dougkearns@gmail.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>