patch 8.1.0632: using sign group names is inefficient commit https://github.com/vim/vim/commit/7a2d9892b7158edf8dc48e9bcaaae70a40787b37 Author: Bram Moolenaar <Bram@vim.org> Date: Mon Dec 24 20:23:49 2018 +0100 patch 8.1.0632: using sign group names is inefficient Problem: Using sign group names is inefficient. Solution: Store group names in a hash table and use a reference to them. Also remove unnecessary use of ":exe" from the tests. (Yegappan Lakshmanan, closes #3715)

" Assume 'encoding' is set to "latin1" while actually cp1253 or iso-8859-7 is
" being used
if has("win16") || has("win32") || has("win32unix")
  source <sfile>:p:h/greek_cp1253.vim
else
  source <sfile>:p:h/greek_iso-8859-7.vim
endif