Fix determine whether a path is empty #57
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If we call `expand('%p')` in a unnamed buffer, we will get an empty
string "". `shellescape("")` returns an escaped string "''" which
is not empty. So the determine whether a path is empty in current
code takes no effect.
Determine the emptyness using result of `expand('%p')` fixes this bug.
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If we call
expand('%p')in a unnamed buffer, we will get an emptystring "".
shellescape("")returns an escaped string "''" whichis not empty. So the determine whether a path is empty in current
code takes no effect.
Determine the emptyness using result of
expand('%p')fixes this bug.