switch to pandoc markdown

init.vim

@@ -32,7 +32,7 @@ Plugin 'itchyny/lightline.vim'
 Plugin 'townk/vim-autoclose'
 Plugin 'tpope/vim-fugitive'
 Plugin 'travitch/hasksyn'
-Plugin 'plasticboy/vim-markdown'
+Plugin 'vim-pandoc/vim-pandoc-syntax'
 Plugin 'LnL7/vim-nix'
 Plugin 'kchmck/vim-coffee-script'
 Plugin 'ngn/vim-apl'
@@ -94,6 +94,11 @@ set titlestring=%t%(\ %M%)%(\ (%{expand(\"%:p:h\")})%)%(\ %a%)
 
 autocmd VimLeave * set guicursor=a:hor20-blinkon20
 
+" use pandoc markdown syntax
+augroup pandoc_syntax
+    au! BufNewFile,BufFilePre,BufRead *.md set filetype=markdown.pandoc
+augroup END
+
 ""
 "" Key bindings
 ""