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new 139bc13baf Make <wicket:header-items/> HTML spec compliant (#1458)
139bc13baf is described below
commit 139bc13baf3ebf802e7f9badffb833ea36242700
Author: Andreas Svanberg <[email protected]>
AuthorDate: Mon Jun 8 12:08:20 2026 +0200
Make <wicket:header-items/> HTML spec compliant (#1458)
According to the [HTML specification for `<meta>`
element](https://html.spec.whatwg.org/multipage/semantics.html#the-meta-element),
a `<meta>` tag with the `name` attribute specified must also specify `content`.
> If either name, http-equiv, or itemprop is specified, then the content
attribute must also be specified. Otherwise, it must be omitted.
Since `<wicket:header-items/>` is often placed in a base class for pages it
means that no pages in the application will pass HTML validation.
---
.../apache/wicket/markup/html/internal/HtmlHeaderItemsContainer.java | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git
a/wicket-core/src/main/java/org/apache/wicket/markup/html/internal/HtmlHeaderItemsContainer.java
b/wicket-core/src/main/java/org/apache/wicket/markup/html/internal/HtmlHeaderItemsContainer.java
index 4249c6a2b1..d6758cd712 100644
---
a/wicket-core/src/main/java/org/apache/wicket/markup/html/internal/HtmlHeaderItemsContainer.java
+++
b/wicket-core/src/main/java/org/apache/wicket/markup/html/internal/HtmlHeaderItemsContainer.java
@@ -44,7 +44,7 @@ public class HtmlHeaderItemsContainer extends
HtmlHeaderContainer
protected void onAfterRender() {
super.onAfterRender();
final Response webResponse = getResponse();
- webResponse.write("<meta name=\"wicket.header.items\"/>");
+ webResponse.write("<meta name=\"wicket.header.items\"
content=\"\"/>");
}
@Override
