4 files changed, 13 insertions, 14 deletions
diff --git a/src/document_tree/attribute_types.rs b/src/document_tree/attribute_types.rs
index ba631d9..400c59e 100644
--- a/src/document_tree/attribute_types.rs
+++ b/src/document_tree/attribute_types.rs
@@ -4,7 +4,7 @@ use failure::{Error,bail,format_err};
 use serde_derive::Serialize;
 use regex::Regex;
 
-#[derive(Debug,Serialize)]
+#[derive(Debug,PartialEq,Serialize)]
 pub enum EnumeratedListType {
 	Arabic,
 	LowerAlpha,
@@ -13,17 +13,17 @@ pub enum EnumeratedListType {
 	UpperRoman,
 }
 
-#[derive(Debug,Serialize)]
+#[derive(Debug,PartialEq,Serialize)]
 pub enum FixedSpace { Default, Preserve }  // yes, default really is not “Default”
 impl Default for FixedSpace { fn default() -> FixedSpace { FixedSpace::Preserve } }
 
-#[derive(Debug,Serialize)] pub enum AlignH { Left, Center, Right}
-#[derive(Debug,Serialize)] pub enum AlignHV { Top, Middle, Bottom, Left, Center, Right }
+#[derive(Debug,PartialEq,Serialize)] pub enum AlignH { Left, Center, Right}
+#[derive(Debug,PartialEq,Serialize)] pub enum AlignHV { Top, Middle, Bottom, Left, Center, Right }
 
-#[derive(Debug,Serialize)] pub struct ID(pub String);
-#[derive(Debug,Serialize)] pub struct NameToken(pub String);
+#[derive(Debug,PartialEq,Serialize)] pub struct ID(pub String);
+#[derive(Debug,PartialEq,Serialize)] pub struct NameToken(pub String);
 
-#[derive(Debug,Serialize)]
+#[derive(Debug,PartialEq,Serialize)]
 pub enum Measure {  // http://docutils.sourceforge.net/docs/ref/rst/restructuredtext.html#length-units
 	Em(f64),
 	Ex(f64),
diff --git a/src/document_tree/element_categories.rs b/src/document_tree/element_categories.rs
index ec53f09..f3ac884 100644
--- a/src/document_tree/element_categories.rs
+++ b/src/document_tree/element_categories.rs
@@ -43,7 +43,7 @@ macro_rules! synonymous_enum {
 		cartesian!(impl_into, [ $( ($subcat::$entry) ),+ ], [ $($supcat),+ ]);
 	};
 	( $name:ident { $( $entry:ident ),+ $(,)* } ) => {
-		#[derive(Serialize)]
+		#[derive(PartialEq,Serialize)]
 		pub enum $name { $(
 			$entry(Box<$entry>),
 		)* }
@@ -87,7 +87,6 @@ synonymous_enum!(TextOrInlineElement {
 //Content Models\\
 //--------------\\
 
-synonymous_enum!(SubSection { Title, Subtitle, Docinfo, Decoration, SubStructure });
 synonymous_enum!(AuthorInfo { Author, Organization, Address, Contact });
 synonymous_enum!(DecorationElement { Header, Footer });
 synonymous_enum!(SubTopic { Title, BodyElement });
diff --git a/src/document_tree/elements.rs b/src/document_tree/elements.rs
index 72f10e8..52b1f5b 100644
--- a/src/document_tree/elements.rs
+++ b/src/document_tree/elements.rs
@@ -26,7 +26,7 @@ pub trait Element {
 	fn classes_mut(&mut self) -> &mut Vec<String>;
 }
 
-#[derive(Debug,Default,Serialize)]
+#[derive(Debug,Default,PartialEq,Serialize)]
 pub struct CommonAttributes {
 	ids:     Vec<ID>,
 	names:   Vec<NameToken>,
@@ -78,7 +78,7 @@ macro_rules! impl_new {(
 	),* $(,)* }
 ) => (
 	$(#[$attr])*
-	#[derive(Debug,Serialize)]
+	#[derive(Debug,PartialEq,Serialize)]
 	pub struct $name { $( 
 		$(#[$fattr])* $field: $typ,
 	)* }
@@ -136,7 +136,7 @@ impl_children!(Document, StructuralSubElement);
 
 impl_elems!(
 	//structual elements
-	(Section, SubSection)
+	(Section, StructuralSubElement)
 	(Topic,   SubTopic)
 	(Sidebar, SubSidebar)
 	
diff --git a/src/document_tree/extra_attributes.rs b/src/document_tree/extra_attributes.rs
index 58a1e94..0708080 100644
--- a/src/document_tree/extra_attributes.rs
+++ b/src/document_tree/extra_attributes.rs
@@ -20,7 +20,7 @@ macro_rules! skip {
 macro_rules! impl_extra {
 	( $name:ident { $( $(#[$pattr:meta])* $param:ident : $type:ty ),* $(,)* } ) => (
 		impl_extra!(
-			#[derive(Default,Debug,Serialize)]
+			#[derive(Default,Debug,PartialEq,Serialize)]
 			$name { $( $(#[$pattr])* $param : $type, )* }
 		);
 	);
@@ -49,7 +49,7 @@ impl_extra!(Target {
 	anonymous: bool,
 });
 impl_extra!(Raw { space: FixedSpace, format: Vec<NameToken> });
-impl_extra!(#[derive(Debug,Serialize)] Image {
+impl_extra!(#[derive(Debug,PartialEq,Serialize)] Image {
 	uri: target::Target,
 	align: Option<AlignHV>,
 	alt: Option<String>,