From c725a17933304f30c66fe3be53db4401bc77a79b Mon Sep 17 00:00:00 2001
From: Xin Yao <singerdmx@gmail.com>
Date: Wed, 10 Mar 2021 22:48:03 -0800
Subject: [PATCH] Fix

---
 lib/widgets/controller.dart | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/lib/widgets/controller.dart b/lib/widgets/controller.dart
index 534184c9..9c23d327 100644
--- a/lib/widgets/controller.dart
+++ b/lib/widgets/controller.dart
@@ -91,7 +91,10 @@ class QuillController extends ChangeNotifier {
           delta.isNotEmpty &&
           delta.length <= 2 &&
           delta.last.isInsert;
-      if (shouldRetainDelta && toggledStyle.isNotEmpty) {
+      if (shouldRetainDelta &&
+          toggledStyle.isNotEmpty &&
+          delta.length == 2 &&
+          delta.last.data == '\n') {
         // if all attributes are inline, shouldRetainDelta should be false
         final anyAttributeNotInline =
             toggledStyle.values.any((attr) => !attr.isInline);