Quark today announced the availability of the QuarkXPress 7.31 updater, a maintenance release of the company’s professional design software. In developing its latest release, Quark worked closely with Apple to ensure that QuarkXPress 7.31 is tested and optimized to run on Mac OS X Leopard. Other changes include: correct capitalization errors at the beginning and within a sentence; find and correct duplicate words; find and correct spacing errors after punctuation; ignore Internet and file addresses when spellchecking; ignore words with numbers when spellchecking; and more.