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XPath operator: nodeset nodeset | nodeset

union

Standard excerpt:

The | operator computes the union of its operands, which must be node-sets.

Precedence:

Operators with greater precedence:
Operators with equal precedence:
Operators with less precedence: *(multiplication) = != <= < >= > or and mod div + - -(unary minus)

Interactive xlab: [xsl:value-of] [xsl:template]