1 # RELAX NG XML syntax expressed in RELAX NG Compact syntax.
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5 # This file is part of GNU Emacs.
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20 default namespace rng = "http://relaxng.org/ns/structure/1.0"
22 datatypes xsd = "http://www.w3.org/2001/XMLSchema-datatypes"
27 element element { (nameQName | nameClass), (common & pattern+) }
28 | element attribute { (nameQName | nameClass), (common & pattern?) }
29 | element group|interleave|choice|optional
30 |zeroOrMore|oneOrMore|list|mixed { common & pattern+ }
31 | element ref|parentRef { nameNCName, common }
32 | element empty|notAllowed|text { common }
33 | element data { type, param*, (common & exceptPattern?) }
34 | element value { commonAttributes, type?, xsd:string }
35 | element externalRef { href, common }
36 | element grammar { common & grammarContent* }
38 param = element param { commonAttributes, nameNCName, xsd:string }
40 exceptPattern = element except { common & pattern+ }
44 | element div { common & grammarContent* }
45 | element include { href, (common & includeContent*) }
49 | element div { common & includeContent* }
52 element start { combine?, (common & pattern+) }
53 | element define { nameNCName, combine?, (common & pattern+) }
55 combine = attribute combine { "choice" | "interleave" }
58 element name { commonAttributes, xsd:QName }
59 | element anyName { common & exceptNameClass? }
60 | element nsName { common & exceptNameClass? }
61 | element choice { common & nameClass+ }
63 exceptNameClass = element except { common & nameClass+ }
65 nameQName = attribute name { xsd:QName }
66 nameNCName = attribute name { xsd:NCName }
67 href = attribute href { xsd:anyURI }
68 type = attribute type { xsd:NCName }
70 common = commonAttributes, foreignElement*
73 attribute ns { xsd:string }?,
74 attribute datatypeLibrary { xsd:anyURI }?,
77 foreignElement = element * - rng:* { (anyAttribute | text | anyElement)* }
78 foreignAttribute = attribute * - (rng:*|local:*) { text }
79 anyElement = element * { (anyAttribute | text | anyElement)* }
80 anyAttribute = attribute * { text }