autocmd BufWritePre <buffer> :call StripTrailingWhitespaces()
set foldmethod=syntax
set noballooneval

autocmd BufWritePre <buffer> :call StripTrailingWhitespaces()
set foldmethod=syntax

if exists('+noballooneval')
  set noballooneval
endif

Check availability of noballooneval option before using it
Check availability of noballooneval option before using it

changa/vimconfig,changa/vimconfig