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/*
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/*
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 *  Mathematics Layout Parameters
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 *  Mathematics Layout Parameters
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 *
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 *
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 *  The TeXBook, Appendex G, Page 447.
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 *  The TeXBook, Appendix G, Page 447.
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 *
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 *
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 *  These values are based on an inspection of TeX metafont files
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 *  These values are based on an inspection of TeX metafont files
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 *  together with some visual simplification.
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 *  together with some visual simplification.
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 *
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 *
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 *  Note : The values are ``optimised'' for PostScript.
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 *  Note : The values are ``optimised'' for PostScript.
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	CurrentY = ReferenceY + bboxDepth(bbox)
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	CurrentY = ReferenceY + bboxDepth(bbox)
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	    - yc * (bboxHeight(bbox) + bboxDepth(bbox));
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	    - yc * (bboxHeight(bbox) + bboxDepth(bbox));
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    else
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    else
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	CurrentY = ReferenceY;
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	CurrentY = ReferenceY;
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    CurrentAngle = rot;
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    CurrentAngle = rot;
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    rot = rot / 90 * M_PI_half;/* radians */
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    rot *= M_PI_half / 90 ;/* radians */
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    CosAngle = cos(rot);
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    CosAngle = cos(rot);
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    SinAngle = sin(rot);
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    SinAngle = sin(rot);
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    RenderElement(expr, 1);
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    RenderElement(expr, 1);
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}
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}
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