patch 8.2.2933: when 'clipboard' is "unnamed" zp does not work correctly Commit: https://github.com/vim/vim/commit/6e0b553fa12fc5ad5d8ee3d8457e7cb16f38b56f Author: Bram Moolenaar <Bram@vim.org> Date: Fri Jun 4 17:11:47 2021 +0200 patch 8.2.2933: when 'clipboard' is "unnamed" zp does not work correctly Problem: When 'clipboard' is "unnamed" zp and zP do not work correctly. Solution: Pass -1 to str_to_reg() and fix computing the character width instead of using the byte length. (Christian Brabandt, closes #8301, closes #8317)