diff --git a/src/node/atoms.rs b/src/node/atoms.rs
index 9b385e9..a70c445 100644
--- a/src/node/atoms.rs
+++ b/src/node/atoms.rs
@@ -43,7 +43,7 @@ pub(crate) mod tokens {
     //     //
     /// Start part of doctype tag
     /// `<!`
-    #[derive(Clone, Debug, syn_derive::Parse, syn_derive::ToTokens)]
+    #[derive(Eq, PartialEq, Clone, Debug, syn_derive::Parse, syn_derive::ToTokens)]
     pub struct DocStart {
         pub token_lt: Token![<],
         pub token_not: Token![!],
@@ -51,7 +51,7 @@ pub(crate) mod tokens {
 
     /// Start part of comment tag
     /// `<!--`
-    #[derive(Clone, Debug, syn_derive::Parse, syn_derive::ToTokens)]
+    #[derive(Eq, PartialEq, Clone, Debug, syn_derive::Parse, syn_derive::ToTokens)]
     pub struct ComStart {
         pub token_lt: Token![<],
         pub token_not: Token![!],
@@ -62,7 +62,7 @@ pub(crate) mod tokens {
 
     /// End part of comment tag
     /// `-->`
-    #[derive(Clone, Debug, syn_derive::Parse, syn_derive::ToTokens)]
+    #[derive(Eq, PartialEq, Clone, Debug, syn_derive::Parse, syn_derive::ToTokens)]
     pub struct ComEnd {
         #[parse(parse::parse_array_of2_tokens)]
         #[to_tokens(parse::to_tokens_array)]
@@ -72,7 +72,7 @@ pub(crate) mod tokens {
 
     /// End part of element's open tag
     /// `/>` or `>`
-    #[derive(Clone, Debug, syn_derive::Parse, syn_derive::ToTokens)]
+    #[derive(Eq, PartialEq, Clone, Debug, syn_derive::Parse, syn_derive::ToTokens)]
     pub struct OpenTagEnd {
         pub token_solidus: Option<Token![/]>,
         pub token_gt: Token![>],
@@ -81,7 +81,7 @@ pub(crate) mod tokens {
     /// Start part of element's close tag.
     /// Its commonly used as separator
     /// `</`
-    #[derive(Clone, Debug, syn_derive::Parse, syn_derive::ToTokens)]
+    #[derive(Eq, PartialEq, Clone, Debug, syn_derive::Parse, syn_derive::ToTokens)]
     pub struct CloseTagStart {
         pub token_lt: Token![<],
         pub token_solidus: Token![/],
@@ -92,7 +92,7 @@ pub use tokens::*;
 
 /// Fragment open part
 /// `<>`
-#[derive(Clone, Debug, syn_derive::Parse, syn_derive::ToTokens)]
+#[derive(Eq, PartialEq, Clone, Debug, syn_derive::Parse, syn_derive::ToTokens)]
 pub struct FragmentOpen {
     pub token_lt: Token![<],
     pub token_gt: Token![>],
@@ -100,7 +100,7 @@ pub struct FragmentOpen {
 
 /// Fragment close part
 /// `</>`
-#[derive(Clone, Debug, syn_derive::Parse, syn_derive::ToTokens)]
+#[derive(Eq, PartialEq, Clone, Debug, syn_derive::Parse, syn_derive::ToTokens)]
 pub struct FragmentClose {
     pub start_tag: tokens::CloseTagStart,
     pub token_gt: Token![>],
diff --git a/src/parser/recoverable.rs b/src/parser/recoverable.rs
index e861df3..df1118c 100644
--- a/src/parser/recoverable.rs
+++ b/src/parser/recoverable.rs
@@ -38,7 +38,7 @@
 //! [`Parser::parse_recoverable`]: struct.Parser.html#method.parse_recoverable
 //! [`Node`]: struct.Node.html
 
-use std::{collections::HashSet, fmt::Debug, rc::Rc};
+use std::{backtrace, collections::HashSet, fmt::Debug, rc::Rc};
 
 use proc_macro2_diagnostics::{Diagnostic, Level};
 use syn::parse::{Parse, ParseStream};
@@ -141,6 +141,7 @@ impl RecoverableContext {
     /// and convert result to `Option`, that can be used directly
     /// as output in [`ParseRecoverable::parse_recoverable`]
     pub fn save_diagnostics<T>(&mut self, val: syn::Result<T>) -> Option<T> {
+        println!("{}", std::backtrace::Backtrace::capture().to_string());
         match val {
             Ok(v) => Some(v),
             Err(e) => {
@@ -153,7 +154,10 @@ impl RecoverableContext {
     /// Push custom message of [`syn::Error`] or
     /// [`proc_macro2_diagnostics::Diagnostic`]
     pub fn push_diagnostic(&mut self, diagnostic: impl Into<Diagnostic>) {
-        self.diagnostics.push(diagnostic.into());
+        let diag = diagnostic.into();
+
+        println!("{}", std::backtrace::Backtrace::capture().to_string());
+        self.diagnostics.push(dbg!(diag));
     }
 }