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yutaro-sakamoto · Dec 26, 2022 · 285a100 · 285a100
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 # tree-sitter-cobol
 
-COBOL grammar of [tree-sitter](https://github.com/tree-sitter/tree-sitter)  
-This repository is under development.  
-The goal is supporting COBOL85 grammar.
+COBOL85 grammar of [tree-sitter](https://github.com/tree-sitter/tree-sitter) 
+
+The syntax rules of tree-sitter-cobol are based on [opensource-cobol](https://github.com/yutaro-sakamoto/opensource-cobol)
+and are tested with [NIST COBOL85 test suite](https://www.itl.nist.gov/div897/ctg/cobol_form.htm)