xml - XSLT - check attribute is exist or not -

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i'm new xslt. may simple question,

example : xml

<doc>    <sec id="sec_2" sec-type="norm-refs"> </doc>

i need know there <sec> node containing attribute sec-type='node-refs', exist or not in original xml document.

this simple xpath:

//sec[@type="norm-refs"]

the @ symbol indicates want attribute matches, not element. square brackets indicate want matches selector returns comes before square brackets.


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