patch 8.2.3239: Vim9: no error using heredoc for a number variable Commit: https://github.com/vim/vim/commit/81530e36033dec2c2cd94af6dd48ceb0389e95a2 Author: Bram Moolenaar <Bram@vim.org> Date: Wed Jul 28 21:25:49 2021 +0200 patch 8.2.3239: Vim9: no error using heredoc for a number variable Problem: Vim9: no error using heredoc for a number variable. Solution: Add a type check. (closes https://github.com/vim/vim/issues/8627)