texmath-0.7: tests/readers/tex/choose.native
[EDelimited "(" ")" [Right (EFraction NoLineFrac (EIdentifier "a") (EDelimited "{" "}" [Right (EFraction NoLineFrac (EIdentifier "b") (EGrouped [EIdentifier "c",ESymbol Bin "+",ENumber "2"]))]))]]
[EDelimited "(" ")" [Right (EFraction NoLineFrac (EIdentifier "a") (EDelimited "{" "}" [Right (EFraction NoLineFrac (EIdentifier "b") (EGrouped [EIdentifier "c",ESymbol Bin "+",ENumber "2"]))]))]]