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>
Only match function folding start and end patterns at the start of a
line, excluding heredocs and :append/:change/:insert commands.
Fixes#14393
Signed-off-by: Christian Brabandt <cb@256bit.org>
Signed-off-by: Doug Kearns <dougkearns@gmail.com>
