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Designing Web Audio & CD-ROM by Dylan Thede, Josh Beggs

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RealText

RealText is the markup language that defines how streaming text looks and operates within a G2 presentation. Because text files are typically small, streaming text consumes minimal bandwidth, usually less than 1 Kbps, and therefore has an almost negligible impact on the overall bitrate of a G2 show.

RealText syntax

Like SMIL and RealPix, standalone tags are self-closing—they must end with a forward slash (/). All tag and attribute names must be lowercase, and attribute values must be enclosed within double quotation marks.

RealText supports many standard HTML layout and appearance tags, including <br/> and <p> for line breaks and spacing, as well as <b> and <i> for bolding and italicizing. Coded characters such as &nbsp; for nonbreaking space are supported as well. Many more advanced HTML features, such as tables and frames, are not supported. For a full list of supported tags and coded characters, refer to RealNetwork’s RealText Authoring Guide at http://service.real.com/help/library/guides/realtext/realtext.htm. The SMIL 2 specification is expected to greatly enhance the functionality of the SMIL specification.

Window types

RealText files open and close with the <window> and </window> tags. The <window> tag must contain the type attribute, which designates the file as one of five preset types: generic , tickertape , marquee , scrollingnews , or teleprompter . Each type has preset parameters, as well as a number of attributes that can be applied to it, which define the ...

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