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1.3   User syntax modifications

The next chapters explain the different ways to create files holding syntax modifications. The simplest one is the quotations system (chapter 2).

To introduce other syntax extensions of the language, or to redefine the complete language syntax, one must use the Camlp4 Grammar System (chapter 3). The following chapter shows how to extend or redefine the language syntax (chapter 4).

It is not possible for the user to extend the Camlp4 printing: its main usage is through the file ``pr_dump.cmo'', the other printing files, displaying source text, are just provided for convenience and their behaviors are not (yet) modifyable.
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