From 3979c6c9818248fa97fecd7e99e3051ff16d43ba Mon Sep 17 00:00:00 2001
From: Jason Finch <jason.finch@gmail.com>
Date: Sat, 28 Mar 2026 21:14:57 +1000
Subject: [PATCH] Fix GetInnerText skipping table tabs/newlines when HTML has
 whitespace between elements

Use NextElementSibling instead of NextSibling for table cell and row
sibling checks, so whitespace text nodes between elements don't prevent
tab/newline insertion.
---
 src/AngleSharp.Css.Tests/Extensions/InnerText.cs   | 1 +
 src/AngleSharp.Css/Extensions/ElementExtensions.cs | 4 ++--
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/AngleSharp.Css.Tests/Extensions/InnerText.cs b/src/AngleSharp.Css.Tests/Extensions/InnerText.cs
index f12fb38..5c1044d 100644
--- a/src/AngleSharp.Css.Tests/Extensions/InnerText.cs
+++ b/src/AngleSharp.Css.Tests/Extensions/InnerText.cs
@@ -47,6 +47,7 @@ public void SetInnerText(String fixture, String expectedInnerText, String expect
         [TestCase("test1<br>test2<br>test3", "test1\ntest2\ntest3")]
         // table
         [TestCase("<table><tr><td>1</td><td>2</td></tr><tr><td>3</td><td>4</td></tr></table>", "1\t2\n3\t4")]
+        [TestCase("<table><tr><td>1</td> <td>2</td></tr> <tr><td>3</td> <td>4</td></tr></table>", "1\t2\n3\t4")]
         [TestCase("<table><tr><td>1</td><td>2</td></tr><tr><td><table><tr><td>3</td><td>4</td></tr></table></td><td>5</td></tr></table>", "1\t2\n\n3\t4\n\t5")]
         // select
         [TestCase("<select><option>test1</option><option>test2</option></select>", "test1\ntest2")]
diff --git a/src/AngleSharp.Css/Extensions/ElementExtensions.cs b/src/AngleSharp.Css/Extensions/ElementExtensions.cs
index cc25785..a0a358e 100644
--- a/src/AngleSharp.Css/Extensions/ElementExtensions.cs
+++ b/src/AngleSharp.Css/Extensions/ElementExtensions.cs
@@ -204,7 +204,7 @@ private static void ItcInCssBox(ICssStyleDeclaration elementStyle, ICssStyleDecl
                 }
                 else if (elementStyle is not null && ((node is IHtmlTableCellElement && String.IsNullOrEmpty(elementStyle.GetDisplay())) || elementStyle.GetDisplay() == CssKeywords.TableCell))
                 {
-                    if (node.NextSibling is IElement nextSibling)
+                    if (((IElement)node).NextElementSibling is IElement nextSibling)
                     {
                         var nextSiblingCss = nextSibling.ComputeCurrentStyle();
 
@@ -216,7 +216,7 @@ private static void ItcInCssBox(ICssStyleDeclaration elementStyle, ICssStyleDecl
                 }
                 else if (elementStyle is not null && ((node is IHtmlTableRowElement && String.IsNullOrEmpty(elementStyle.GetDisplay())) || elementStyle.GetDisplay() == CssKeywords.TableRow))
                 {
-                    if (node.NextSibling is IElement nextSibling)
+                    if (((IElement)node).NextElementSibling is IElement nextSibling)
                     {
                         var nextSiblingCss = nextSibling.ComputeCurrentStyle();