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A cursor-style API caters to applications that are schema-specific more than generic applications. The notion here is that each parse action is some meaningful (to the schema) chunk of stuff. Dealing with any points of uncertainty that the onPath(...path..) crosses becomes the application's problem in this sort of API.
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Event-callback-style
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API
Because data formats can have points of uncertainty in them, an entirely XML-oriented pull-parser API can be problematic. See section below on Pathological Data Formats.
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