runtime(syntax-tests): Add :help command termination tests

Problem:  The :help command lacks command termination tests.
Solution: Add tests for command termination at "|", "^M" and "^J".

- Check special handling of "|" in arguments.
- Update the Vim syntax file.

closes: #18932

Signed-off-by: Doug Kearns <dougkearns@gmail.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
This commit is contained in:
Doug Kearns
2026-01-11 18:25:38 +00:00
committed by Christian Brabandt
parent 1e54023673
commit c4dc4d8f1e
9 changed files with 83 additions and 41 deletions