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## ANTLR 2.xx Meta-Language

ANTLR 2.0 accepts three types of grammar specifications -- parsers, lexers, and tree-parsers (also called tree-walkers). Because ANTLR 2.0 uses LL(k) analysis for all three grammar variants, the grammar specifications are similar, and the generated lexers and parsers behave similarly.

Note: in this document, the word "parser" usually includes tree-parsers as well as token stream parsers, except where noted.

### Meta-Language Vocabulary

Whitespace. Spaces, tabs, and newlines are separators in that they can separate ANTLR vocabulary

Download ANTLR 2.4.0.

ANTLR 2.4.0 release notes

ANTLR Meta-Language

- Meta-Language Vocabulary
- Header Section
- fd fdskjfds
  fdsfd fdskjfds
  - Fixed depth lookahead and syntactic predicates
- ANTLR Meta-Language Grammar