silent mappings, formatting

vimrc.d/mappings.vim

@@ -1,18 +1,18 @@
 " key #mappings{{{
 
-nnoremap <space>rc :so $MYVIMRC<CR>
+nnoremap <silent> <space>rc :so $MYVIMRC<CR>
 
 " Focus on current fold, close the rest
-nnoremap <space>zz zMzvzt
+nnoremap <silent> <space>zz zMzvzt
 
 " replace current word with last yanked/deleted text
-nnoremap <space>rr "_diwP
+nnoremap <silent> <space>rr "_diwP
 " replace current word with last yanked text
-nnoremap <space>ry diw"0P
+nnoremap <silent> <space>ry diw"0P
 
 inoremap jk <esc>
 
-nnoremap A :call CheckLineEnding()<CR>
+nnoremap <silent> A :call CheckLineEnding()<CR>
 
 nnoremap <space>co :!clear;
 
@@ -59,8 +59,6 @@ nnoremap <space>qh :chistory<CR>
 nnoremap <space>qp :colder<CR>
 nnoremap <space>qn :cnewer<CR>
 
-nnoremap <space>nh :noh<CR>
-
 " quick grep of visual selection
 vnoremap <space>gr y:grep! -R <C-r>" .
 
@@ -68,7 +66,7 @@ vnoremap <space>gr y:grep! -R <C-r>" .
 nnoremap <space>td :grep! -R '// *TODO' .<CR>:botright cwindow<CR>:echo len(getqflist()) 'TODOs'<CR>
 
 " brace/quotes completion
-inoremap {{               {}<left>
+inoremap {{       {}<left>
 inoremap {<CR>    {<CR>}<esc>O
 inoremap {;       {<CR>};<esc>O
 inoremap }}       {{}}<Left><Left>
@@ -76,7 +74,7 @@ inoremap }}       {{}}<Left><Left>
 inoremap ((   		()<Left>
 inoremap (;   		();<Left><Left>
 
-inoremap [[			          []<Left>
+inoremap [[			  []<Left>
 inoremap [<CR>		[<CR>]<esc>O
 
 inoremap ""			  ""<Left>
@@ -84,10 +82,10 @@ inoremap ";		    "";<Left><Left>
 inoremap ''			  ''<Left>
 inoremap ';		    '';<Left><Left>
 
-inoremap ;;               ;<esc>
+inoremap ;;       ;<esc>
 
-nnoremap <space>nn :set invrelativenumber<CR>
-nnoremap <space>hl :nohlsearch<CR>
+nnoremap <silent>         <space>nn :set invrelativenumber<CR>
+nnoremap <silent><expr>   <space>nh (&hls && v:hlsearch ? ':nohls' : ':set hls')."\n"
 
 " devdocs mapping
 nnoremap <space>dd :DD<CR>