Added S-F5 (open in browser) for markdown filetype

vimrc

@@ -231,6 +231,19 @@ function s:SetMarkdownSettings() "{{{2
     setlocal autoindent
     setlocal formatoptions=tcq "set VIms default
 
+    function! <SID>ShowInBrowser()
+        let l:uri = expand("%:p:r") . ".html"
+        call system(g:browser . " " . l:uri)
+        echohl Statement
+        echo "Opened '" . l:uri ."' in " . g:browser
+        echohl None
+    endfunction
+
+    if !exists(":ShowInBrowser")
+        command ShowInBrowser call s:ShowInBrowser()
+        map <S-F5> :ShowInBrowser<CR>
+    endif
+
     autocmd BufWritePost *.md :silent make
 endfunction
 "}}}