gf-3.1.6: lib/src/api/SymbolicRon.gf
--# -path=.:present:mathematical:prelude resource SymbolicRon = Symbolic with (Symbol = SymbolRon), (Grammar = GrammarRon) ;
--# -path=.:present:mathematical:prelude resource SymbolicRon = Symbolic with (Symbol = SymbolRon), (Grammar = GrammarRon) ;