Fix VimEnter/vim_did_enter behavior

Make auto-prune a standalone file plugin too

use classic plugin auto-load path

Clean up stray swapfiles too

luafy AutoFmtToggle

Convert backup/undofile pruning to lua

pull out last_modified_days

(0) -1000 -300 -100 -30 -10 -7 +7 +10 tip

mercurial