Added general buffers configuration and mappings

cfg/15-buffers.vim

@@ -0,0 +1,46 @@
+set hidden								" Don't close buffers
+
+" Buffer navigation
+nnoremap <silent> <S-Left> :bprev<CR>
+nnoremap <silent> <S-Right> :bnext<CR>
+
+" Close buffer
+function <SID>CloseCurrentBuffer( )
+	let btarget = bufnr( '%' )
+	if getbufvar( l:btarget , '&modified' )
+		echohl ErrorMsg
+		echomsg "No write since last change"
+		echohl NONE
+		return
+	endif
+
+	let wnums = filter( range( 1 , winnr( '$' ) ) ,
+		\ 'winbufnr(v:val) == btarget' )
+	let wcurrent = winnr( )
+	for w in l:wnums
+		execute l:w . "wincmd w"
+		let prevbuf = bufnr( '#' )
+		if l:prevbuf > 0 && buflisted( l:prevbuf ) && l:prevbuf != w
+			buffer #
+		else
+			bprevious
+		endif
+		if btarget == bufnr('%')
+			let blisted = filter( range( 1 , bufnr( '$' ) ) ,
+				\ 'buflisted( v:val ) && v:val != btarget' )
+			let bhidden = filter( copy( l:blisted ) ,
+				\ 'bufwinnr( v:val ) < 0' )
+			let bjump = ( l:bhidden + l:blisted + [ -1 ] )[ 0 ]
+			if l:bjump > 0
+				execute 'buffer ' . l:bjump
+			else
+				enew
+			endif
+		endif
+	endfor
+	execute 'bdelete' l:btarget
+	execute l:wcurrent . 'wincmd w'
+endfunction
+
+nnoremap <silent> <C-S-Down> :call <SID>CloseCurrentBuffer()<CR>
+

doc/heavim.txt

@@ -22,6 +22,10 @@ local leader key.
 
    <Leader>T		Toggle visible tabs
 
+   <S-Left>             Previous buffer
+   <S-Right>            Next buffer
+   <C-S-Down>           Close current buffer
+
    <A-Insert>           Open new tab
    <C-A-Insert>         Close current tab
    <A-Left>             Select previous tab