patch 8.2.1023: Vim9: redefining a function uses a new index every time Commit: https://github.com/vim/vim/commit/0cb5bcf5836de83f7d64fb01d3ce708caacaf66c Author: Bram Moolenaar <Bram@vim.org> Date: Sat Jun 20 18:19:09 2020 +0200 patch 8.2.1023: Vim9: redefining a function uses a new index every time Problem: Vim9: redefining a function uses a new index every time. Solution: When redefining a function clear the contents and re-use the index.