drop terminal palette index value

After last commit there are no holes in the palette any more, and each color is declared at the array index corresponding to its palette index. That makes this element superfluous.

Author: ap

autoload/css_color.vim

@@ -55,36 +55,36 @@ if has('gui_running')
 else
 " preset 16 vt100 colors
 let s:xtermcolor = [
-\ [ 0x00, 0x00, 0x00, 0 ],
-\ [ 0xCD, 0x00, 0x00, 1 ],
-\ [ 0x00, 0xCD, 0x00, 2 ],
-\ [ 0xCD, 0xCD, 0x00, 3 ],
-\ [ 0x00, 0x00, 0xEE, 4 ],
-\ [ 0xCD, 0x00, 0xCD, 5 ],
-\ [ 0x00, 0xCD, 0xCD, 6 ],
-\ [ 0xE5, 0xE5, 0xE5, 7 ],
-\ [ 0x7F, 0x7F, 0x7F, 8 ],
-\ [ 0xFF, 0x00, 0x00, 9 ],
-\ [ 0x00, 0xFF, 0x00, 10 ],
-\ [ 0xFF, 0xFF, 0x00, 11 ],
-\ [ 0x5C, 0x5C, 0xFF, 12 ],
-\ [ 0xFF, 0x00, 0xFF, 13 ],
-\ [ 0x00, 0xFF, 0xFF, 14 ],
-\ [ 0xFF, 0xFF, 0xFF, 15 ]]
+\ [ 0x00, 0x00, 0x00 ],
+\ [ 0xCD, 0x00, 0x00 ],
+\ [ 0x00, 0xCD, 0x00 ],
+\ [ 0xCD, 0xCD, 0x00 ],
+\ [ 0x00, 0x00, 0xEE ],
+\ [ 0xCD, 0x00, 0xCD ],
+\ [ 0x00, 0xCD, 0xCD ],
+\ [ 0xE5, 0xE5, 0xE5 ],
+\ [ 0x7F, 0x7F, 0x7F ],
+\ [ 0xFF, 0x00, 0x00 ],
+\ [ 0x00, 0xFF, 0x00 ],
+\ [ 0xFF, 0xFF, 0x00 ],
+\ [ 0x5C, 0x5C, 0xFF ],
+\ [ 0xFF, 0x00, 0xFF ],
+\ [ 0x00, 0xFF, 0xFF ],
+\ [ 0xFF, 0xFF, 0xFF ]]
 
 " the 6 values used in the xterm color cube
 " 0 95 135 175 215 255
 let s:cubergb = [ 0x00, 0x5F, 0x87, 0xAF, 0xD7, 0xFF ]
 for s:rrr in s:cubergb
 for s:ggg in s:cubergb
 for s:bbb in s:cubergb
-call add( s:xtermcolor, [ s:rrr, s:ggg, s:bbb, len(s:xtermcolor) ] )
+call add( s:xtermcolor, [ s:rrr, s:ggg, s:bbb ] )
 endfor
 endfor
 endfor
 
 " grayscale ramp
-let s:xtermcolor += map(range(24),'repeat([10*v:val+8],3) + [v:val+232]')
+let s:xtermcolor += map( range(24), 'repeat( [10 * v:val + 8], 3 )' )
 
 " selects the nearest xterm color for a rgb value like #FF0000
 function! s:rgb2xterm(color)
@@ -95,7 +95,8 @@ else
 let g = s:hex[color[2:3]]
 let b = s:hex[color[4:5]]
 
-for [tr,tg,tb,idx] in s:xtermcolor
+for idx in range(len(s:xtermcolor))
+let [tr,tg,tb] = s:xtermcolor[idx]
 let dr = tr - r
 let dg = tg - g
 let db = tb - b