RE: Problem with <optional>

    I get a strange behavior with the <optional> element.
    It looks like if I declare some attributes of an element as 
    optional in my schema, I get a "Missing attributes" error 
    for all the other optional attributes whenever at least one 
    of the optional attributes is declared in the element.

the *group* is optional, not any one of the group.
As soon as you include one, the parser looks for them all,
hence the error message.

HTH DaveP



    The following example should clarify this.
    
    Say I have this definition in my schema where all the 
    attributes are optional except for cardport and daemonport:
    
    port =
      element port {
         attribute cardport { xsd:nonNegativeInteger },
         attribute daemonport { xsd:nonNegativeInteger },
        (attribute internal_name { xsd:Name },
         attribute lower_bound { xsd:positiveInteger },
         attribute upper_bound { xsd:positiveInteger },
         attribute skip { xsd:positiveInteger },
         attribute allow { xsd:boolean },
         attribute auto_select { xsd:boolean })?,
        test*
      }
    
    If I have this entry in my xml file...
    
    <port cardport="1" daemonport="5" internal_name="dxxxB2C1">
      <test testid="HNE"/>
      <test testid="HNE_ANN"/>
      <test testid="HNE_ANN_THX"/>
    </port>
    
    ...I get 'Missing attributes "auto_select", "allow", "skip",
              "upper_bound", "lower_bound"
    
    But if I have this entry in my xml file...
    
    <port cardport="1" daemonport="5">
      <test testid="HNE"/>
      <test testid="HNE_ANN"/>
      <test testid="HNE_ANN_THX"/>
    </port>
    
    ... everything is fine.
    
    Am I missing something here?
    
    Thanks in advance,
    Jean
    
    
    
     
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