Non-terminal symbol `IriConst_opt`

Defining rules for nonterminal symbol IriConst_opt:

`IriConst_opt`
		`IriConst`

Occurrences of symbol IriConst_opt in body of other rules:

IriMeta OPENMETA IriConst_opt IriMetaBody_opt CLOSEMETA

Non-terminal symbol IriConst_opt