All the latest changes.

.vimrc

@@ -6,9 +6,9 @@ colorscheme habamax
 set nobackup nowritebackup
 set noswapfile
 
-set number
+"set number
 
-set tabstop=8
+set tabstop=4
 set shiftwidth=4
 set softtabstop=4
 set expandtab
@@ -31,7 +31,6 @@ set timeoutlen=1000
 set ttimeoutlen=0
 set hidden
 set wildmenu
-set clipboard=unnamed,unnamedplus
 set colorcolumn=75
 "set backspace=indent,eol,start
 
@@ -78,31 +77,64 @@ function! CreateOrSelectWindow()
 endfunction
 
 function! PutIntoShade()
-    let max_width = float2nr(&columns * 0.95)
-    let min_width = float2nr(&columns * 0.5)
+    let shade   = float2nr(&columns * 0.95)
+    let default = float2nr(&columns * 0.5)
+    let min     = float2nr(&columns * 0.5)
 
-    if winwidth(0) > min_width
-        execute 'vertical resize ' . min_width
-    elseif winwidth(0) <= min_width
-        execute 'vertical resize ' . max_width
+    if winwidth(0) <= min
+        execute 'vertical resize ' . shade
+    else
+        execute 'vertical resize ' . default
     endif
 endfunction
 
 " Preserve paste line column
 function! PasteAbove()
+    let l = getline('.')
     let c = col('.')
+
     normal! P
-    call cursor(0, c)
+
+    if getline('.') == l
+        call cursor(0, c)
+    endif
 endfunction
 
 function! PasteBelow()
+    let l = getline('.')
     let c = col('.')
+
     normal! p
-    call cursor(0, c)
+
+    if getline('.') == l
+        call cursor(0, c)
+    endif
+endfunction
+
+function! IsPreviewOpen() abort
+    for l:win in range(1, winnr('$'))
+        if getwinvar(l:win, '&previewwindow') == 1
+            return 1
+        endif
+    endfor
+
+    return 0
+endfunction
+
+function! TagsTogglePreview(symbol)
+    if IsPreviewOpen()
+        execute 'pclose'
+    else
+        execute 'ptag ' . a:symbol
+    endif
 endfunction
 
 " ----- Custom Keymaps ----------------------------------------------------
-nnoremap <silent> K <Nop>
+"nnoremap <silent> K <Nop>
+
+xnoremap p P
+
+nnoremap <silent> ` ngnP
 
 vnoremap <silent> > >:normal gv<CR>
 vnoremap <silent> < <:normal gv<CR>
@@ -119,6 +151,8 @@ nnoremap <silent> < :cp<CR>
 
 nnoremap <silent> g/ :noh<CR>
 
+nnoremap <silent> gs :w<CR>
+
 nnoremap <silent> E :Ex<CR>
 
 nnoremap <silent> <space>z :set relativenumber!<CR>
@@ -137,6 +171,8 @@ nnoremap <silent> # :call PutIntoShade()<CR>
 nnoremap <silent> P :call PasteAbove()<CR>
 nnoremap <silent> p :call PasteBelow()<CR>
 
+nnoremap <silent> <space>cp :call TagsTogglePreview(expand('<cword>'))<CR>
+
 " ----- Highlights --------------------------------------------------------
 " Todo Comments highlights
 " Colors: https://vim.fandom.com/wiki/Xterm256_color_names_for_console_Vim
@@ -157,3 +193,5 @@ augroup HiglightTODO
     autocmd WinEnter,VimEnter * :silent! call matchadd('TODOFix',     'FIX:',     -1)
     autocmd WinEnter,VimEnter * :silent! call matchadd('TODOWarning', 'WARNING:', -1)
 augroup END
+
+set clipboard=unnamed