patch 8.2.0920: writing viminfo fails with a circular reference Commit: https://github.com/vim/vim/commit/5b157fe2edfdce5f77080aeac2b4a03f39eb1c1a Author: Bram Moolenaar <Bram@vim.org> Date: Sun Jun 7 16:08:08 2020 +0200 patch 8.2.0920: writing viminfo fails with a circular reference Problem: Writing viminfo fails with a circular reference. Solution: Use copyID to detect the cycle. (closes https://github.com/vim/vim/issues/6217)

" Print py3 interface versions for Ubuntu. Part 2.

if 1
  execute 'source' expand('<sfile>:h') .. '/if_ver-cmd.vim'

  echo 'Python 3:'
  PrintVer python3 print(sys.version)
endif