message: default: none -> default: []
diff: @@ -138,7 +138,7 @@ name = "test"
  [package.metadata.docs.rs]
  -# Features to pass to Cargo (default: none)
  +# Features to pass to Cargo (default: [])
  features = [ "feature1", "feature2" ]
  # Whether to pass `--all-features` to Cargo (default: false)
  @@ -158,10 +158,10 @@ no-default-features = true
  # - i686-pc-windows-msvc
  default-target = "x86_64-unknown-linux-gnu"
  -# Additional `RUSTFLAGS` to set (default: none)
  +# Additional `RUSTFLAGS` to set (default: [])
  rustc-args = [ "--example-rustc-arg" ]
  -# Additional `RUSTDOCFLAGS` to set (default: none)
  +# Additional `RUSTDOCFLAGS` to set (default: [])
  rustdoc-args = [ "--example-rustdoc-arg" ]</pre></code>
  <h4>Version</h4>
  