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Hi Stefan, I'm glad you appreciate the work. The Internet Engineering Task Force accepts documents that are for general use within the Internet community. Any document submitted to the IETF must be free from copyright or intellectual properties issues. The copyright to the IETF ensures that these specifications can be used freely without worrying about legal issues. The SVG refinements for the hand shapes are nearing completion. SVG will be a reality in early 2011. I need to update the sentence that you referenced. Horizontal writing will return shortly. A few examples of my classification of SignWriting grapheme: featural, phonemic, and composite. A phonemic grapheme represents a meaningful concept such as hand shape, movement, dynamic, timing, head, face, trunk or limb. A featural grapheme does not represent a meaningful concept. Category 5, group 28, base 639 contains finger symbols. While entire hand shapes are meaningful, individual fingers are not. Hand shapes are phonemic, fingers are featural because they must be combined with other symbols to form something meaningful. Arrow stems (fill 4) are another example. An arrow represents movement and is meaningful. An arrow stem is not meaningful and therefore featural. Composite symbols are a combination of other symbols. The double touch is one example. The double touch is a composite of 2 single touches. Interestingly, there is a composite symbol that Valerie considered adding, but didn't for the ISWA 2010. The tension press is a composite of tension and press. I created the classification of SignWriting graphemes as featural, phonemic, or composite specifically for this document. This represents my understanding of the SignWriting script. Others have said that the entire SignWriting alphabet is featural, but I consider this a simplistic misapplication of terminology based on voiced language without understanding signed languages. Sign text for display is new. I'll be able to better explain it when I have a working example. Thanks for the comments, -Steve