error: stray ‘302’ in program
error: stray ‘240’ in program

" highlight VCS conflict markers
" highlight strange Whitespace
aug CustomHighlighting
  au!
  au WinEnter * if !exists("w:custom_hi1") | let w:custom_hi1 = matchadd('ErrorMsg', '^(<|=|>){7}([^=].+)?$') | endif
  au WinEnter * if !exists("w:custom_hi2") | let w:custom_hi2 = matchadd('ErrorMsg', '[x0bx0cu00a0u1680u180eu2000-u200au2028u202fu205fu3000ufeff]') |  endif
aug END

:syntax match ErrorMsg " "

au VimEnter,BufWinEnter * syn match ErrorMsg " "

highlight UnbreakableSpace ctermbg=red guibg=red
au VimEnter,BufWinEnter * syn match UnbreakableSpace " "

:inoremap [lhs] <Space>

execute "inoremap u00A0 <Space>"