Make moving lines easier in vim and change the tab listchar

vimrc

@@ -382,7 +382,8 @@ if executable('rg')
     set grepprg=rg\ --vimgrep\ --hidden " Requires ripgrep to be installed.
 endif
 
-set list listchars=tab:»·,trail:· " Show trailing whitespace.
+" Show trailing tabs and whitespace.
+set listchars=tab:»\ ,trail:·,extends:>,precedes:<,nbsp:+
 
 set timeoutlen=250 ttimeoutlen=0  " Don't set it too low otherwise you won't be able to type use multi-key sequences.
 
@@ -609,6 +610,10 @@ noremap <c-h> <c-w><Left>
 :cnoremap <C-J> <S-Left>
 :cnoremap <C-K> <S-Right>
 
+" Move a line under the cursor.
+noremap <S-j> :m-2<cr>
+noremap <S-k> :m+<cr>
+
 " Window splitting - couldn't figure out how to remap <c-w>v & <c-w>n to <c-m>
 " & <c-n>
 noremap <leader>m :vsplit<cr>
@@ -774,6 +779,7 @@ noremap Q <Nop>
 "##################################################################################
 " MULTIPURPOSE TAB KEY
 "##################################################################################
+
 fu! InsertTabWrapper()
     let l:col = col('.') - 1
     if !l:col || getline('.')[l:col - 1] !~ '\k'