As far as I can tell, both versions are syntactically correct. I would agree, though, that adding a comma, looks more pleasing. Maybe the following sessing helps to understand.
There is an elt function call, if there is no comma. https://fricas.github.io/api/StringAggregate.html#l537472696e67416767726567617465-656c74 Ralf %%% (1) -> concat ["a", "b" "c"] (1) "abc" Type: String %%% (2) -> concat ["a", "b", "c"] (2) "abc" Type: String %%% (3) -> # ["a", "b" "c"] (3) 2 Type: PositiveInteger %%% (4) -> # ["a", "b", "c"] (4) 3 Type: PositiveInteger %%% (5) -> ["a", "b" "c"] (5) ["a", "bc"] Type: List(String) %%% (6) -> ["a", "b", "c"] (6) ["a", "b", "c"] Type: List(String) %%% (7) -> ["a", "b""c"] (7) ["a", "bc"] Type: List(String) -- You received this message because you are subscribed to the Google Groups "FriCAS - computer algebra system" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion visit https://groups.google.com/d/msgid/fricas-devel/57b68a11-a641-4684-ab2b-d37100bf0c7e%40hemmecke.org.
