patch 9.0.1554: code for handling 'switchbuf' is repeated Commit: https://github.com/vim/vim/commit/e42c27d9e8a18e3786f13f17663914cdd0f63f9e Author: Yegappan Lakshmanan <yegappan@yahoo.com> Date: Sun May 14 17:24:22 2023 +0100 patch 9.0.1554: code for handling 'switchbuf' is repeated Problem: Code for handling 'switchbuf' is repeated. Solution: Add a function to handle 'switchbuf'. (Yegappan Lakshmanan, closes #12397)