patch 8.2.4919: can add invalid bytes with :spellgood Commit: https://github.com/vim/vim/commit/7c824682d2028432ee082703ef0ab399867a089b Author: Bram Moolenaar <Bram@vim.org> Date: Sun May 8 22:32:58 2022 +0100 patch 8.2.4919: can add invalid bytes with :spellgood Problem: Can add invalid bytes with :spellgood. Solution: Check for a valid word string.

let encoding = &enc
if encoding == 'latin1'
    if has("unix")
	let encoding = 'iso-8859-8'
    else
	let encoding = 'cp1255'
    endif
endif

if encoding == 'utf-8'
	source <sfile>:p:h/hebrewp_utf-8.vim
elseif encoding == 'cp1255'
	source <sfile>:p:h/hebrewp_cp1255.vim
else
	source <sfile>:p:h/hebrewp_iso-8859-8.vim
endif