From 1d5c7a5314f0d00a9508dca3087e37759d2ac480 Mon Sep 17 00:00:00 2001
From: Andy Trand <magtuxgit@gmail.com>
Date: Mon, 29 Nov 2021 18:31:45 +0200
Subject: [PATCH 1/2] fix attributes compare (#486)

---
 lib/src/models/quill_delta.dart | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/lib/src/models/quill_delta.dart b/lib/src/models/quill_delta.dart
index 47bbde2a..e4a11055 100644
--- a/lib/src/models/quill_delta.dart
+++ b/lib/src/models/quill_delta.dart
@@ -150,6 +150,11 @@ class Operation {
 
   /// Returns `true` if [other] operation has the same attributes as this one.
   bool hasSameAttributes(Operation other) {
+    // treat null and empty equal
+    if ((_attributes?.isEmpty ?? true) &&
+        (other._attributes?.isEmpty ?? true)) {
+      return true;
+    }
     return _attributeEquality.equals(_attributes, other._attributes);
   }
 

From 0c3fb6ff1a90bbb68f1f183a63e34f784ce657a6 Mon Sep 17 00:00:00 2001
From: Andriy Trubchanin <magtuxgit@gmail.com>
Date: Mon, 29 Nov 2021 20:23:18 +0200
Subject: [PATCH 2/2] font size parsing fix

---
 lib/src/widgets/text_line.dart | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/lib/src/widgets/text_line.dart b/lib/src/widgets/text_line.dart
index 0990e797..14546d11 100644
--- a/lib/src/widgets/text_line.dart
+++ b/lib/src/widgets/text_line.dart
@@ -230,7 +230,14 @@ class TextLine extends StatelessWidget {
           res = res.merge(defaultStyles.sizeHuge);
           break;
         default:
-          final fontSize = double.tryParse(size.value);
+          double? fontSize;
+          if (size.value is double) {
+            fontSize = size.value;
+          } else if (size.value is int) {
+            fontSize = size.value.toDouble();
+          } else if (size.value is String) {
+            fontSize = double.tryParse(size.value);
+          }
           if (fontSize != null) {
             res = res.merge(TextStyle(fontSize: fontSize));
           } else {