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All Xwork constans had been already deprecated, with this version all of them have been removed and Struts constants have been used instead. See tickets

New constants

Tag escape behaviour

After migrating to the latest Freemarker (which enables auto-escaping by default) you should top stop using ?html in your custom tags and freemarker based pages. Also when embedding one a tag in another <s:a>  or <s:input> tags like in the example below:

<s:a href="%{...}">
  <img src="<s:url value='/images/icon_waste_sml.png'/>"/>
</s:a>

The the inner tag will can be automatically escaped , to avoid such behaviour (if needed), set "escapeHtmlBody" attribute to "falsetrue" as below:

<s:a href="%{...}" escapeHtmlBody="falsetrue">
  <img src="<s:url value='/images/icon_waste_sml.png'/>"/>
</s:a>

There is a global flag struts.ui.escapeHtmlBody which controls this behaviour for all the tags. Tag's attribute takes precedence over the global falg. It's related to

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