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if !exists("g:karlmarks")
let g:karlmarks = "<>"
endif
function! KarlMarks()
for c in map(split(g:karlmarks, '\zs'), "char2nr(v:val)") +
\ range(char2nr('a'), char2nr('z')) +
\ range(char2nr('A'), char2nr('Z')) +
\ range(char2nr('0'), char2nr('9'))
let p = getpos("'".nr2char(c))
if (p[0] == 0 || p[0] == winbufnr(0)) && p[1] > 0
exec "sign unplace ".c
exec "sign define mark_".c." text=".nr2char(c)." texthl=SignColumn"
exec "sign place ".c." name=mark_".c." line=".p[1]." buffer=".winbufnr(0)
endif
endfor
endfunction
autocmd CursorHold * call KarlMarks()
" important for distraction free reading while changing windows
" setlocal signcolumn=yes
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