From 5ff668d8afc3e75a992f39479aa57c6e52beac5b Mon Sep 17 00:00:00 2001
From: Marta Motyczynska <m.motyczynska@cksource.com>
Date: Tue, 24 Oct 2023 11:56:06 +0200
Subject: [PATCH 1/2] Attributes for htmlA should not be copied on enter.

---
 packages/ckeditor5-html-support/src/schemadefinitions.ts | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/packages/ckeditor5-html-support/src/schemadefinitions.ts b/packages/ckeditor5-html-support/src/schemadefinitions.ts
index 049572d1d45..847d9867f63 100644
--- a/packages/ckeditor5-html-support/src/schemadefinitions.ts
+++ b/packages/ckeditor5-html-support/src/schemadefinitions.ts
@@ -673,10 +673,7 @@ export default {
 			model: 'htmlA',
 			view: 'a',
 			priority: 5,
-			coupledAttribute: 'linkHref',
-			attributeProperties: {
-				copyOnEnter: true
-			}
+			coupledAttribute: 'linkHref'
 		},
 		{
 			model: 'htmlStrong',

From 966738eb920e1d1aaa9139443289dc98433c5702 Mon Sep 17 00:00:00 2001
From: Marta Motyczynska <m.motyczynska@cksource.com>
Date: Wed, 25 Oct 2023 12:57:32 +0200
Subject: [PATCH 2/2] Added test.

---
 packages/ckeditor5-html-support/package.json  |  1 +
 .../tests/tickets/14683.js                    | 55 +++++++++++++++++++
 2 files changed, 56 insertions(+)
 create mode 100644 packages/ckeditor5-html-support/tests/tickets/14683.js

diff --git a/packages/ckeditor5-html-support/package.json b/packages/ckeditor5-html-support/package.json
index 5956b974e0f..1375027f019 100644
--- a/packages/ckeditor5-html-support/package.json
+++ b/packages/ckeditor5-html-support/package.json
@@ -49,6 +49,7 @@
     "@ckeditor/ckeditor5-paste-from-office": "40.0.0",
     "@ckeditor/ckeditor5-remove-format": "40.0.0",
     "@ckeditor/ckeditor5-source-editing": "40.0.0",
+    "@ckeditor/ckeditor5-style": "40.0.0",
     "@ckeditor/ckeditor5-table": "40.0.0",
     "@ckeditor/ckeditor5-theme-lark": "40.0.0",
     "@ckeditor/ckeditor5-typing": "40.0.0",
diff --git a/packages/ckeditor5-html-support/tests/tickets/14683.js b/packages/ckeditor5-html-support/tests/tickets/14683.js
new file mode 100644
index 00000000000..6c25522b267
--- /dev/null
+++ b/packages/ckeditor5-html-support/tests/tickets/14683.js
@@ -0,0 +1,55 @@
+/**
+ * @license Copyright (c) 2003-2023, CKSource Holding sp. z o.o. All rights reserved.
+ * For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
+ */
+
+/* global document */
+
+import ClassicTestEditor from '@ckeditor/ckeditor5-core/tests/_utils/classictesteditor';
+import Paragraph from '@ckeditor/ckeditor5-paragraph/src/paragraph';
+import LinkEditing from '@ckeditor/ckeditor5-link/src/linkediting';
+import Style from '@ckeditor/ckeditor5-style/src/styleediting';
+import { getData, setData } from '@ckeditor/ckeditor5-engine/src/dev-utils/model';
+import GeneralHtmlSupport from '../../src/generalhtmlsupport';
+
+describe( 'bug #14683', () => {
+	let editor, model, editorElement;
+
+	beforeEach( async () => {
+		editorElement = document.createElement( 'div' );
+		document.body.appendChild( editorElement );
+
+		editor = await ClassicTestEditor.create( editorElement, {
+			plugins: [ Paragraph, LinkEditing, GeneralHtmlSupport, Style ],
+			style: {
+				definitions: [
+					{
+						name: 'Button',
+						element: 'a',
+						classes: [ 'button' ]
+					}
+				]
+			}
+		} );
+
+		model = editor.model;
+	} );
+
+	afterEach( async () => {
+		editorElement.remove();
+
+		await editor.destroy();
+	} );
+
+	it( 'should not copy additional attributes for the link element after pressing Enter', () => {
+		setData( model, '<paragraph><$text linkHref="example.com">foo[]</$text></paragraph>' );
+
+		editor.commands.get( 'style' ).execute( { styleName: 'Button' } );
+		editor.commands.get( 'enter' ).execute();
+
+		expect( getData( model ) ).to.equal(
+			'<paragraph><$text htmlA="{"classes":["button"]}" linkHref="example.com">foo</$text></paragraph>' +
+			'<paragraph>[]</paragraph>'
+		);
+	} );
+} );