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2 changes: 1 addition & 1 deletion document/core/syntax/conventions.rst
Original file line number Diff line number Diff line change
Expand Up @@ -20,7 +20,7 @@ Grammar Notation

The following conventions are adopted in defining grammar rules for abstract syntax.

* Terminal symbols (atoms) are written in sans-serif font: :math:`\K{i32}, \K{end}`.
* Terminal symbols (atoms) are written in sans-serif font or in symbolic form: :math:`\K{i32}, \K{end}, {\to}, [, ]`.

* Nonterminal symbols are written in italic font: :math:`\X{valtype}, \X{instr}`.

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