2.0.20

• Documentation improvements

2.0.19

• Improve rendering of compile errors within 2015-edition code calling a 2018+ edition proc macro (#1467, thanks @danielhenrymantilla)

2.0.18

• Permit empty attr in syn::meta::parser (#1460)

2.0.17

• Enable proc_macro support on wasm targets (#1459)

2.0.16

• Parse builtin # syntax as Expr::Verbatim (rust-lang/rust#110680, #1454)

2.0.15

• Ensure Type::Tuple of length 1 prints as a tuple even if trailing comma is not provided in the Punctuated (#1444, thanks @Fancyflame)

2.0.14

• Add Punctuated::pop_punct() (#1442, thanks @programmerjake)

2.0.13

• Improve spans of Expr::Field parsed from a float Literal (#1433, #1436)

2.0.12

• Refer to compile_error! by absolute path in token stream produced by syn::Error::to_compile_error (#1431, thanks @smoelius)

2.0.11

• Improve error message on empty parens inside parse_nested_meta (#1428)