patch 8.2.2343: Vim9: return type of readfile() is any Commit: https://github.com/vim/vim/commit/c423ad77ed763c11ba67729bbf63c1cf0915231f Author: Bram Moolenaar <Bram@vim.org> Date: Wed Jan 13 20:38:03 2021 +0100 patch 8.2.2343: Vim9: return type of readfile() is any Problem: Vim9: return type of readfile() is any. Solution: Add readblob() so that readfile() can be expected to always return a list of strings. (closes #7671)