14.1.3 Introducing structure with XSLT

You could process “raw” XML output (which is always well formed) with XSLT to produce pretty much any structure you want. Introducing structure this way has two possible drawbacks:

• XSLT processors are not fast, especially on very large documents; most are written in Java, but even the C++ implementations take longer than you might find tolerable in production.

• Designing the XSLT template to add the structure could be a guru-level task.

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