xml - relaxng: invalid schema definition? -


i'm trying write schema xml documents using relax-ng, , when use jing, error message don't understand:

c:\tmp\xml>java -jar jing.jar -c list-test2.rnc list-test.xml c:\tmp\xml\list-test2.rnc:6:10: error: repeat of "string" or "data" element

can explain why , me workaround?

here sample document (contrived simplicity):

list-test.xml:

<?xml version="1.0" encoding="utf-8"?> <list-test>     <list name="list1">         foo.bar.baz         quux         be.bop.a.loo.bop         <hole name="somename" />         tutti.frutti         abc678.foobar     </list>     <list name="list2">         test1         test2         test3         <hole name="hole1" />         <hole name="hole2" />         test4         <hole name="hole3" />     </list> </list-test>

here schema works ok:

list-test.rnc:

grammar {  start = element list-test { list-test-content }  list-test-content =      (element list { list-content })*  list-content =     attribute name { text },     (text | hole-element)*  hole-element =      element hole { hole-content }  hole-content =     attribute name { text }  }

but when try replace generic text nodes specific text patterns, error.

list-test2.rnc:

grammar {  start = element list-test { list-test-content }  list-test-content =      (element list { list-content })*  list-content =     attribute name { identifier },     (qualified-identifier | hole-element)*  hole-element =      element hole { hole-content }  hole-content =     attribute name { identifier }  identifier =     xsd:token { pattern="[a-za-z_][a-za-z_0-9]*" }  qualified-identifier =     xsd:token { pattern="[a-za-z_][a-za-z_0-9]*(\.[a-za-z_][a-za-z_0-9]*)*" }     }

you've bumped against 1 of relax ng's basic limitations: element's content can complex (with text patterns, element patterns, sequence patterns, interleave patterns, , quantifier patterns) or simple (with data patterns, value patterns, , list patterns), not both @ same time. (of course, it's possible have choice between complex , simple content.)

you can't better use text here, , maybe write schematron rule or two.


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