<P> These macro viruses were the only known cross-platform threats between Windows and Macintosh computers and they were the only infection vectors to affect any macOS system up until the advent of video codec trojans in 2007 . Microsoft released patches for Word X and Word 2004 that effectively eliminated the macro problem on the Mac by 2006 . </P> <P> Word's macro security setting, which regulates when macros may execute, can be adjusted by the user, but in the most recent versions of Word, is set to HIGH by default, generally reducing the risk from macro-based viruses, which have become uncommon . </P> <P> Before Word 2010 (Word 14) for Windows, the program was unable to correctly handle ligatures defined in TrueType fonts . Those ligature glyphs with Unicode codepoints may be inserted manually, but are not recognized by Word for what they are, breaking spell checking, while custom ligatures present in the font are not accessible at all . Since Word 2010, the program now has advanced typesetting features which can be enabled: OpenType ligatures, kerning, and hyphenation . Other layout deficiencies of Word include the inability to set crop marks or thin spaces . Various third - party workaround utilities have been developed . </P> <P> In Word 2004 for Mac OS X, support of complex scripts was inferior even to Word 97, and Word 2004 does not support Apple Advanced Typography features like ligatures or glyph variants . </P>

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