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1. The text input field is shown form the start, no need to click. 2. The text input field is removed when no more words can be added to the sentence. 3. When you press Enter, a word is added to the sentence (1) if there is only one possible completion left (e.g. if you typed "airp" and the only completion is "airport"), or (2) if what you typed exactly matches one of the completions (e.g. if you typed "the" and the completions are "the", "theatre" and "these").
DESCRIPTION
The Grammatical Framework (=GF) is a grammar formalism based on type theory.
It consists of
* a special-purpose programming language
* a compiler of the language
* a generic grammar processor
The compiler reads GF grammars from user-provided files, and the
generic grammar processor performs various tasks with the grammars:
* generation
* parsing
* translation
* type checking
* computation
* paraphrasing
* random generation
* syntax editing
GF particularly addresses four aspects of grammars:
* multilinguality (parallel grammars for different languages)
* semantics (semantic conditions of well-formedness, semantic
properties of expressions)
* grammar engineering (modularity, abstractions, libraries)
* embeddability in programs written in other languages (C,C++,
Haskell, Java, JavaScript)
COMPILATION and INSTALLATION of source distribution:
See doc/gf-developers.html for installation instructions.