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August 29, 2015 13:56
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| function! MinCommandPrefix(command) | |
| for i in range(len(a:command) - 1, 0, -1) | |
| if exists(':' . strpart(a:command, 0, i)) != 1 | |
| return i + 1 | |
| endif | |
| endfor | |
| return -1 | |
| endfunction |
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