Quark has pulled out from MacExpo, the UK show that takes place November 22-24, according to Macworld UK. The company cited adverse economic conditions as the reason for withdrawing. “We regret that Quark won’t be able to attend MacExpo. We have every faith in the event, and wish for a very successful show,” a Quark spokesperson told Macworld UK. The company added that its commitment to the Mac market remains “firm.”