Flatten some structures.

src/wasm/additional_property.rs

@@ -9,6 +9,7 @@ use crate::types::AffiliatedKeywordValue;
 use crate::types::AffiliatedKeywords;
 
 #[derive(Debug, Serialize)]
+#[serde(untagged)]
 pub enum AdditionalPropertyValue<'s, 'p> {
     SingleString(&'s str),
     ListOfStrings(Vec<&'s str>),
@@ -21,6 +22,7 @@ pub enum AdditionalPropertyValue<'s, 'p> {
 
 #[derive(Debug, Serialize, Default)]
 pub struct AdditionalProperties<'s, 'p> {
+    #[serde(flatten)]
     pub(crate) properties: HashMap<String, AdditionalPropertyValue<'s, 'p>>,
 }
 

src/wasm/document.rs

@@ -18,6 +18,7 @@ use crate::wasm::to_wasm::ToWasmStandardProperties;
 #[serde(rename = "org-data")]
 pub struct WasmDocument<'s, 'p> {
     pub(crate) standard_properties: WasmStandardProperties,
+    #[serde(flatten)]
     pub(crate) additional_properties: AdditionalProperties<'s, 'p>,
     pub(crate) children: Vec<WasmAstNode<'s, 'p>>,
     pub(crate) category: Option<&'p str>,

src/wasm/paragraph.rs

@@ -16,6 +16,7 @@ use crate::wasm::WasmAstNode;
 #[serde(rename = "paragraph")]
 pub struct WasmParagraph<'s, 'p> {
     pub(crate) standard_properties: WasmStandardProperties,
+    #[serde(flatten)]
     pub(crate) additional_properties: AdditionalProperties<'s, 'p>,
     pub(crate) children: Vec<WasmAstNode<'s, 'p>>,
 }

src/wasm/section.rs

@@ -15,6 +15,7 @@ use crate::wasm::to_wasm::ToWasmStandardProperties;
 #[serde(rename = "section")]
 pub struct WasmSection<'s, 'p> {
     pub(crate) standard_properties: WasmStandardProperties,
+    #[serde(flatten)]
     pub(crate) additional_properties: AdditionalProperties<'s, 'p>,
     pub(crate) children: Vec<WasmAstNode<'s, 'p>>,
 }