satom

satom:=
cbind | sexpr_code_prefix STRING
cbind | sexpr_code_prefix NAME
typing | typecase_expr
parsing | sglr_parse
regexps | sregmatch_expr
patterns | pattern_match
patterns | typematch sexpr with stype_matching+ endmatch
expressions | sliteral
expressions | _ast_patany
expressions | ...ast_ellipsis
expressions | false(ast_typed_case 0 2)
expressions | true(ast_typed_case 1 2)
expressions | callback [ sexpr ]
expressions | [| sexpr |]
expressions | { sexpr }
expressions | scompound
expressions | ( sexpr )
expressions | ( )()
expressions | sconditional
expressions | suserlbtoken sexpr suserrbtoken