mirror of
https://github.com/gryf/wombat256grf.git
synced 2026-04-26 19:01:24 +02:00
gryf
97abe4754f
There was some check regarding specific features Vim have, like spell check which was introduced with Vim 7.0, and even on old repositories, the oldest version of Vim I could find is 7.4. Let's get rid of unnecessary legacy.
280 lines
8.2 KiB
VimL
280 lines
8.2 KiB
VimL
" Vim color file
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" Maintainer: Roman 'gryf' Dobosz
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" Last Change: 2021-01-19
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"
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" wombat256grf.vim - a heavily modified version of Wombat by Lars Nielsen (at
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" al) that also works on xterms with 256 colors. Instead of hard coding colors
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" for the terminal, algorithm for approximating the GUI colors with the xterm
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" palette was used.
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" Approximation function was taken from desert256.vim by Henry So Jr.
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set background=dark
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hi clear
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if exists("syntax_on")
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syntax reset
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endif
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let g:colors_name = "wombat256grf"
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" Run this colorscheme only for Gvim or vim in terminal which support 256
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" colors.
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if !has("gui_running") && &t_Co != 256
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finish
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endif
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" Italic only in gui and only where font is not fixed-misc.
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let s:italic = "none"
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if has("gui_running") && &guifont !~ "Fixed"
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let s:italic = "italic"
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endif
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" functions {{{
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" Returns an approximate grey index for the given grey level.
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fun s:get_approximate_grey_idx(x)
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if a:x < 14
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return 0
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endif
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let l:n = (a:x - 8) / 10
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let l:m = (a:x - 8) % 10
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if l:m < 5
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return l:n
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endif
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return l:n + 1
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endfun
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" Returns the actual grey level represented by the grey index.
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fun s:get_grey_level(n)
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return a:n == 0 ? 0 : 8 + (a:n * 10)
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endfun
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" Returns the palette index for the given grey index.
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fun s:get_grey_color_idx(n)
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let l:grey_map = {0: 16, 25: 231}
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let l:default = 231 + a:n
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return get(l:grey_map, a:n, l:default)
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endfun
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" Returns an approximate color index for the given color level.
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fun s:get_approximate_rgb_idx(x)
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if a:x < 75
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return 0
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endif
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let l:n = (a:x - 55) / 40
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let l:m = (a:x - 55) % 40
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if l:m < 20
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return l:n
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endif
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return l:n + 1
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endfun
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" Returns the actual color level for the given color index.
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fun s:get_rgb_level(n)
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return a:n == 0 ? 0 : 55 + (a:n * 40)
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endfun
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" Returns the palette index for the given R/G/B color indices.
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fun s:get_rgb_idx(x, y, z)
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return 16 + (a:x * 36) + (a:y * 6) + a:z
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endfun
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" Returns the palette index to approximate the given R/G/B color levels.
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fun s:get_color(r, g, b)
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" get the closest grey
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let l:gx = s:get_approximate_grey_idx(a:r)
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let l:gy = s:get_approximate_grey_idx(a:g)
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let l:gz = s:get_approximate_grey_idx(a:b)
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" get the closest color
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let l:x = s:get_approximate_rgb_idx(a:r)
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let l:y = s:get_approximate_rgb_idx(a:g)
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let l:z = s:get_approximate_rgb_idx(a:b)
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if l:gx == l:gy && l:gy == l:gz
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" there are two possibilities
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let l:dgr = s:get_grey_level(l:gx) - a:r
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let l:dgg = s:get_grey_level(l:gy) - a:g
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let l:dgb = s:get_grey_level(l:gz) - a:b
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let l:dgrey = (l:dgr * l:dgr) + (l:dgg * l:dgg) + (l:dgb * l:dgb)
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let l:dr = s:get_rgb_level(l:gx) - a:r
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let l:dg = s:get_rgb_level(l:gy) - a:g
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let l:db = s:get_rgb_level(l:gz) - a:b
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let l:drgb = (l:dr * l:dr) + (l:dg * l:dg) + (l:db * l:db)
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if l:dgrey < l:drgb
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" use the grey
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return s:get_grey_color_idx(l:gx)
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endif
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" use the color
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return s:get_rgb_idx(l:x, l:y, l:z)
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endif
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" only one possibility
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return s:get_rgb_idx(l:x, l:y, l:z)
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endfun
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" Returns the palette index to approximate the 'rrggbb' hex string.
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fun s:get_rgb_as_index(rgb)
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let l:r = ("0x" . strpart(a:rgb, 0, 2)) + 0
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let l:g = ("0x" . strpart(a:rgb, 2, 2)) + 0
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let l:b = ("0x" . strpart(a:rgb, 4, 2)) + 0
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return s:get_color(l:r, l:g, l:b)
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endfun
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" Sets the highlighting for the given group.
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fun s:highlight(group, fg, bg, attr)
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let l:cmd = "highlight " . a:group
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if a:fg != ""
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let l:cmd .= " guifg=#" . a:fg . " ctermfg=" . s:get_rgb_as_index(a:fg)
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endif
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if a:bg != ""
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let l:cmd .= " guibg=#" . a:bg . " ctermbg=" . s:get_rgb_as_index(a:bg)
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endif
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if a:attr != ""
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if a:attr == 'italic'
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let l:cmd .= " gui=" . a:attr . " cterm=none"
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else
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let l:cmd .= " gui=". a:attr. " cterm=" . a:attr
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endif
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endif
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exec l:cmd
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endfun
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" same as above, but makes it for the spell-like things
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fun s:undercurl(group, bg)
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if a:bg != ""
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if ! has('gui_running')
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exec "highlight " . a:group . " ctermbg=" .
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\s:get_rgb_as_index(a:bg)
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else
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exec "highlight " . a:group . " guisp=#" . a:bg . " gui=undercurl"
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endif
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endif
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endfun
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" }}}
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" Colors {{{
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" non-syntax items, interface, etc
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call s:highlight("Normal", "dddddd", "242424", "none")
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call s:highlight("NonText", "4c4c36", "", "none")
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call s:highlight("Cursor", "222222", "ecee90", "none")
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call s:highlight("CursorLine", "", "32322e", "none")
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hi link CursorColumn CursorLine
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call s:highlight("ColorColumn", "", "2d2d2d", "")
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call s:highlight("Search", "444444", "ffab4b", "")
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call s:highlight("MatchParen", "ecee90", "857b6f", "bold")
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call s:highlight("SpecialKey", "6c6c6c", "2d2d2d", "none")
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call s:highlight("Visual", "", "26512D", "none")
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call s:highlight("LineNr", "857b6f", "121212", "none")
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call s:highlight("SignColumn", "", "121212", "none")
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call s:highlight("Folded", "a0a8b0", "404048", "none")
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call s:highlight("Title", "f6f3e8", "", "bold")
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call s:highlight("VertSplit", "444444", "444444", "none")
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call s:highlight("StatusLine", "f6f3e8", "444444", s:italic)
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call s:highlight("StatusLineNC", "857b6f", "444444", "none")
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call s:highlight("Pmenu", "f6f3e8", "444444", "")
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call s:highlight("PmenuSel", "121212", "caeb82", "")
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call s:highlight("WarningMsg", "ff0000", "", "")
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hi! link VisualNOS Visual
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hi! link FoldColumn Folded
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hi! link TabLineSel StatusLine
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hi! link TabLineFill StatusLineNC
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hi! link TabLine StatusLineNC
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call s:highlight("TabLineSel", "f6f3e8", "", "none")
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" syntax highlighting
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call s:highlight("Comment", "99968b", "", s:italic)
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call s:highlight("Constant", "e5786d", "", "none")
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call s:highlight("String", "95e454", "", s:italic)
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"Character
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"Number
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"Boolean
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"Float
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call s:highlight("Identifier", "caeb82", "", "none")
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call s:highlight("Function", "caeb82", "", "none")
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call s:highlight("Statement", "87afff", "", "none")
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"Conditional
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"Repeat
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"Label
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"Operator
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call s:highlight("Keyword", "87afff", "", "none")
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"Exception
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call s:highlight("PreProc", "e5786d", "", "none")
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"Include
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"Define
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"Macro
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"PreCondit
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call s:highlight("Type", "caeb82", "", "none")
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"StorageClass
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"Structure
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"Typedef
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call s:highlight("Special", "ffdead", "", "none")
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"SpecialChar
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"Tag
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"Delimiter
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"SpecialComment
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"Debug
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"Underlined
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"Ignore
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call s:highlight("Error", "bbbbbb", "aa0000", s:italic)
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call s:highlight("Todo", "666666", "aaaa00", s:italic)
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" Diff
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call s:highlight("DiffAdd", "", "505450", "bold")
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call s:highlight("DiffText", "", "673400", "bold")
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call s:highlight("DiffDelete", "343434", "101010", "bold")
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call s:highlight("DiffChange", "", "53402d", "bold")
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" Spellchek
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" Spell, make it underline, and less bright colors. only for terminal
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call s:undercurl("SpellBad", "881000")
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call s:undercurl("SpellCap", "003288")
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call s:undercurl("SpellRare", "73009F")
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call s:undercurl("SpellLocal", "A0CC00")
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" Plugins:
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" ShowMarks
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call s:highlight("ShowMarksHLl", "ab8042", "121212", "bold")
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call s:highlight("ShowMarksHLu", "aaab42", "121212", "bold")
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call s:highlight("ShowMarksHLo", "42ab47", "121212", "bold")
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call s:highlight("ShowMarksHLm", "aaab42", "121212", "bold")
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" Syntastic
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call s:undercurl("SyntasticError ", "880000")
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call s:undercurl("SyntasticWarning", "886600")
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call s:undercurl("SyntasticStyleError", "ff6600")
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call s:undercurl("SyntasticStyleWarning", "ffaa00")
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call s:highlight("SyntasticErrorSign", "", "880000", "")
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call s:highlight("SyntasticWarningSign", "", "886600", "")
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call s:highlight("SyntasticStyleErrorSign", "", "ff6600", "")
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call s:highlight("SyntasticStyleWarningSign", "", "ffaa00", "")
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" }}}
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" delete functions {{{
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delf s:undercurl
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delf s:highlight
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delf s:get_rgb_as_index
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delf s:get_color
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delf s:get_rgb_idx
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delf s:get_rgb_level
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delf s:get_approximate_rgb_idx
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delf s:get_grey_color_idx
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delf s:get_grey_level
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delf s:get_approximate_grey_idx
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" }}}
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" vim:set ts=4 sw=4 sts=4 fdm=marker:
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