Standardize the construction of intermediate BlogPostPage.

src/intermediate/italic.rs

@@ -8,14 +8,20 @@ pub(crate) struct IItalic {
     pub(crate) children: Vec<IObject>,
 }
 
-intermediate!(IItalic, Italic, original, registry, {
-    let children = {
-        let mut ret = Vec::new();
-        for obj in original.children.iter() {
-            ret.push(IObject::new(registry.clone(), obj).await?);
-        }
-        ret
-    };
+intermediate!(
+    IItalic,
+    &'orig organic::types::Italic<'parse>,
+    original,
+    registry,
+    {
+        let children = {
+            let mut ret = Vec::new();
+            for obj in original.children.iter() {
+                ret.push(IObject::new(registry.clone(), obj).await?);
+            }
+            ret
+        };
 
-    Ok(IItalic { children })
-});
+        Ok(IItalic { children })
+    }
+);