Add the @separator attribute. #wip

Example:

    <yield bind="?links" separator=", ">
        <a href="(?link)">…</a>
    </yield>

It will add `, ` between each link.

This is a WIP.
[auto] Merge from Xyl

    • #f375a20 — Add the @separator attribute. #wip (Ivan Enderlin, 2014-01-25)

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Merge branch 'master' of /var/lib/git/repositories/Library/Xyl