diff --git a/_vimrc b/_vimrc
index c2fac6c..e0df988 100644
--- a/_vimrc
+++ b/_vimrc
@@ -168,6 +168,13 @@ augroup pandoc_syntax
 	au! BufNewFile,BufFilePre,BufRead *.md set filetype=markdown.pandoc
 augroup END
 
+" Markdown table formatting
+fun FormatMarkdownDashes()
+	s/\v([ -])@<= ([ -])@=/-/g
+endfun
+nnoremap ga- :call FormatMarkdownDashes()<enter>
+nmap ga\| gaip*\|
+
 nnoremap <buffer> <CR> <C-]>
 map <Tab> >>
 map <S-Tab> <<