1 files changed, 7 insertions, 0 deletions
diff --git a/.vimrc b/.vimrc
index a7d495b..037f0ff 100644
--- a/.vimrc
+++ b/.vimrc
@@ -153,3 +153,10 @@ call plug#end()
 
 set background=dark
 colorscheme habamax
+
+" highlight extra whitespace
+highlight ExtraWhitespace ctermbg=red guibg=red
+autocmd BufWinEnter * match ExtraWhitespace /\s\+$/
+autocmd InsertEnter * match ExtraWhitespace /\s\+\%#\@<!$/
+autocmd InsertLeave * match ExtraWhitespace /\s\+$/
+autocmd BufWinLeave * call clearmatches()