Message from discussion Image link syntax

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Subject: Image link syntax
From: Chap <c...@chap.otherinbox.com>
To: StaticMatic <staticmatic@googlegroups.com>
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What's the syntax for having an image link?

I tried:
    = link = img "question_sense_logo.png", "http://
www.questionsense.com"

But finally just did:
    %a{:href => "http://www.questionsense.com"}
      = img "question_sense_logo.png"