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< li class='previous'>< a href='#'>&larr; Previous< /a>< /li>
or
< li class='previous'>
    < a href='#'>&larr; Previous< /a>
< /li>

It's strange to have only < /li> in the new line. It just looks like you write
if (a+b<5) { a+=b;
}
in C.