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+" CustomTabLine
+"
+" A custom tabline that displays tab numbers for easier navigation between tabs.
+"
+" CHANGELOG:
+"   2014.06.30:
+"       * Initial version. Very basic. Based on the sample tabline 
+"         implementation in vim help. Shows the tab number, filename without 
+"         path, modification flag, and separator.
+"
+" TODO:
+" 2014.06.30:
+" - Truncate filenames when the number of characters in the tabline exceeds the 
+"   width of the window.
+" - Improve separator such that it appears between tabs instead of latched onto 
+"   the preceeding tab.
+"
+
+function! CustomTabLine()
+	let s = ''
+	for i in range(tabpagenr('$'))
+	" select the highlighting
+	if i + 1 == tabpagenr()
+		let s .= '%#TabLineSel#'
+	else
+		let s .= '%#TabLine#'
+	endif
+
+	" set the tab page number (for mouse clicks)
+	let s .= '%' . (i + 1) . 'T'
+
+	" the label is made by CustomTabLabel()
+	let s .= ' %{CustomTabLabel(' . (i + 1) . ')}'
+	endfor
+
+	" after the last tab fill with TabLineFill and reset tab page nr
+	let s .= '%#TabLineFill#%T'
+
+	" right-align the label to close the current tab page
+	if tabpagenr('$') > 1
+	let s .= '%=%#TabLine#%999XX'
+	endif
+
+	return s
+endfunction
+
+function! CustomTabLabel(n)
+	let buflist = tabpagebuflist(a:n)
+	let winnr = tabpagewinnr(a:n)
+	let label = ''
+	let tab_number = a:n . ': '
+	let filename = fnamemodify(bufname(buflist[winnr - 1]), ':p:t')
+	
+	if filename == ''
+		let filename = '[No Name]'
+	endif
+	
+	let label .= tab_number . filename . ' '
+	
+	if getbufvar(buflist[winnr - 1], "&mod")
+	let label .= '[+] '
+	endif
+	
+	let label .= '|'
+	
+	return label
+endfunction
+
+set tabline=%!CustomTabLine()