{"type":"doc","content":[{"type":"paragraph","content":[{"text":"In the Raw XML Editor, use the ","type":"text"},{"text":"","type":"text","marks":[{"type":"code"}]},{"text":" element to define and set variables. This statement defines a new variable, if it is not already defined, and assigns the value, in the first child expression, to the variable. The primary supported attribute is '","type":"text"},{"text":"variable","type":"text","marks":[{"type":"code"}]},{"text":"' which names the variable to be assigned the value. Examples:","type":"text"}]},{"type":"paragraph","content":[{"text":"","type":"text","marks":[{"type":"code"}]},{"type":"hardBreak"},{"text":" ","type":"text","marks":[{"type":"code"}]},{"type":"hardBreak"},{"text":" ","type":"text","marks":[{"type":"code"}]},{"type":"hardBreak"},{"text":" ...","type":"text","marks":[{"type":"code"}]}]},{"type":"paragraph","content":[{"text":"You may define variables with a local scope. In the ","type":"text"},{"text":"Assign","type":"text","marks":[{"type":"code"}]},{"text":" element, specifying ","type":"text"},{"text":"scope","type":"text","marks":[{"type":"code"}]},{"text":" of ","type":"text"},{"text":"parent","type":"text","marks":[{"type":"code"}]},{"text":" sets the scoped variable to the parent of the ","type":"text"},{"text":"Assign","type":"text","marks":[{"type":"code"}]},{"text":". This means all descendants of that element will read that variable instead of variables of the same name, that are defined at a higher scope. You may explicitly set a global variable with a ","type":"text"},{"text":"scope","type":"text","marks":[{"type":"code"}]},{"text":" of ","type":"text"},{"text":"root","type":"text","marks":[{"type":"code"}]},{"text":". By default, (without a specified ","type":"text"},{"text":"scope","type":"text","marks":[{"type":"code"}]},{"text":", or the ","type":"text"},{"text":"scope","type":"text","marks":[{"type":"code"}]},{"text":" specified to ","type":"text"},{"text":"resolve","type":"text","marks":[{"type":"code"}]},{"text":"), an assignment moves up the XML tree and sets the first variable it finds that has the specified name, creating one at the root level if none is found.","type":"text"}]},{"type":"paragraph","content":[{"text":"When using the ","type":"text"},{"text":"output","type":"text","marks":[{"type":"code"}]},{"text":" attribute on elements, the ","type":"text"},{"text":"scope","type":"text","marks":[{"type":"code"}]},{"text":" is always equivalent to ","type":"text"},{"text":"resolve","type":"text","marks":[{"type":"code"}]},{"text":".","type":"text"}]},{"type":"heading","attrs":{"level":1},"content":[{"text":"Match Variable Arrays","type":"text"}]},{"type":"paragraph","content":[{"text":"To complement ","type":"text"},{"text":"existing _match_*","type":"text","marks":[{"type":"code"}]},{"text":" variables that are set for regular expression matches, an array","type":"text"},{"text":" _match_array","type":"text","marks":[{"type":"code"}]},{"text":" is set that contains the values of numbered match variables. This enables more dynamic scripting.","type":"text"}]}],"version":1}

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