2.1Specifying languages
2.1.1Binding classes
2.1.2Extension classes
2.1.3Nonterminals
2.1.3.1Nonterminal options
2.1.3.2Productions
2.1.4Syntax specs
2.1.5Binding specs
2.1.6Defining host interface forms
2.1.7Embedding Racket syntax
2.2Compiling languages
2.2.1Compiling references to DSL bindings within Racket code
2.2.2Symbol tables
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