From eb4b6e12bad0c76fbdba0e5c7e82df040e24052b Mon Sep 17 00:00:00 2001
From: MurakamiShinyu <murakami@vivliostyle.org>
Date: Fri, 28 Jun 2024 02:08:04 +0900
Subject: [PATCH] fix: Flexbox not working on page floats (Regression in
 v2.28.0)

- fix #1354
---
 packages/core/src/vivliostyle/vgen.ts | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/packages/core/src/vivliostyle/vgen.ts b/packages/core/src/vivliostyle/vgen.ts
index 2f6da5939..dbd8e8de8 100644
--- a/packages/core/src/vivliostyle/vgen.ts
+++ b/packages/core/src/vivliostyle/vgen.ts
@@ -794,7 +794,11 @@ export class ViewFactory
       elementStyle,
       computedStyle,
     );
-    if (floatReference && PageFloats.isPageFloat(floatReference)) {
+    if (
+      floatReference &&
+      PageFloats.isPageFloat(floatReference) &&
+      computedStyle["display"] === Css.ident.block
+    ) {
       // Fix page float margin collapsing issue (Issue #1282)
       computedStyle["display"] = Css.ident.flow_root;
     }