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XML Specification for Navigation Data Messages - CCSDS

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DRAFT <strong>XML</strong> SPECIFICATION FOR NAVIGATION DATA MESSAGES<br />

b) keywords associated with rotations in the ADM; and<br />

c) keywords associated with user defined parameters in the ODM.<br />

In the first two cases, the KVN keywords shall appear as <strong>XML</strong> attributes rather than as <strong>XML</strong><br />

elements. In the last case, the KVN keywords appear as a combination of <strong>XML</strong> elements<br />

and attributes.<br />

NOTE – The details of these special cases are described in section 4 of this document,<br />

which contains instructions necessary to code instantiations of the specific<br />

messages.<br />

3.5.4 NDM/<strong>XML</strong> keywords that do not correspond directly to a KVN keyword in one of<br />

the reference documents shall be in ‘lowerCamelCase’ (e.g., , , etc.).<br />

3.6 NDM/<strong>XML</strong> TEXT VALUES<br />

Text values in NDM/<strong>XML</strong> instantiations (i.e., the values between the begin and end tags),<br />

shall consist of either all uppercase or all lowercase characters; an exception is made <strong>for</strong><br />

values between the and tags, which may be in any case<br />

desired by the user. Otherwise, mixing of uppercase and lowercase characters is prohibited.<br />

<strong>CCSDS</strong> 505.0-R-2 Page 3-5 June 2009

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