From 2bb4d0e2343734421f5082849e692d17846b4eee Mon Sep 17 00:00:00 2001
From: MurakamiShinyu <murakami@vivliostyle.org>
Date: Fri, 25 Oct 2024 18:09:34 +0900
Subject: [PATCH] fix: Broken text layout at page break when ruby-text font
 size is larger than usual

- fix #1401
---
 packages/core/src/vivliostyle/layout.ts | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/packages/core/src/vivliostyle/layout.ts b/packages/core/src/vivliostyle/layout.ts
index 7d3526649..1e670c28c 100644
--- a/packages/core/src/vivliostyle/layout.ts
+++ b/packages/core/src/vivliostyle/layout.ts
@@ -2103,8 +2103,11 @@ export class Column extends VtreeImpl.Container implements Layout.Column {
             }
             range.setStartBefore(node);
             haveStart = true;
+            lastGood = node;
+          } else if (element.localName !== "ruby") {
+            // Fix for issue #1319 and #1401
+            lastGood = node;
           }
-          lastGood = node;
           if (node.contains(end)) {
             endNotReached = false;
           }