[vim] Stabilize cursor while reflowing paragraph

vimrc

@@ -170,7 +170,7 @@ nnoremap // :nohlsearch<CR>
 map Q gq
 "[Reflow current paragraph]"
 "[http://stevelosh.com/blog/2010/09/coming-home-to-vim/]"
-nnoremap <leader>q gqip
+nnoremap <silent> <leader>q :call ReflowParagraph()<CR>
 " http://stackoverflow.com/questions/1005/getting-root-permissions-on-a-file-inside-of-vi
 cmap w!! w !sudo tee >/dev/null %
 "[To disable the arrow keys]"
@@ -200,7 +200,13 @@ if &t_Co > 2 || has("gui_running")
     " Revert with ":unlet c_comment_strings".
     let c_comment_strings=1
 endif
-"
+
+"[Reflow current paragraph]"
+function! ReflowParagraph()
+    let l:view = winsaveview()
+    normal gqip
+    call winrestview(l:view)
+endfunction
 "[Remove tabs and spaces at the end of lines]"
 function! DeleteTrailingTWS()
     if &ft =~ 'diff'