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===Features===
From there, things proceed fairly normally. [[Fonts in XeTeX]] get their own page, as they introduce some new features. Here are some new features that might be of interest:
; Unicode symbol sets : While not exclusive to XeTeX, exactly, you get easy access to named Unicode symbols[[Symbols]]. XeTeX-specific commands switch to Apple-supplied default fonts for these symbols.
; Basic Bi-directional text : ConTeXt support for this was ushered in with XeTeX, but is fundamentally an eTeX feature. There is tentative support for direction changing with <tt>\pardir TRT</tt> and <tt>TLT</tt>, emulating Omega/Aleph's commands. These should be seen as low-level commands, to be intgrated with language switching, for example. There is a bad feature interaction between this and specials (e.g., color) support.
; Alternate script number conversions : Hans introduced some clever machinery into the conversion macros, allowing one to efficiently define a conversion vector (<cmd>defineconversionvector</cmd>) for script-specific numbers. Arabic and Persian are provided.
