patch 9.0.1727: minor problems with the teapot Commit: https://github.com/vim/vim/commit/b0efa49ed179d3aa1fa0358d4c3c6d35a0efb291 Author: Sean Dewar <seandewar@users.noreply.github.com> Date: Sat Jul 8 10:35:19 2023 +0100 patch 9.0.1727: minor problems with the teapot Problem: minor problems with the teapot() Solution: remove the null check, update documentation Update the builtin-function-list entry. (It implicitly returns 0, but such functions usually use "none") Also, tv_get_string_strict() can not return NULL, so remove that check closes: #12647 Signed-off-by: Christian Brabandt <cb@256bit.org> Co-authored-by: Sean Dewar <seandewar@users.noreply.github.com>