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https://issues.apache.org/jira/browse/TRINIDAD-922?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12566940#action_12566940
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Paul van Rossem commented on TRINIDAD-922:
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The <tr:document> tag always generates a HTML DOCTYPE, not XHTML:
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd";>
which doesn't allow selfclosing meta and link tags (which are XHTML syntax).
However the following jsf (with unclosed HTML tags) causes the Trinidad parser
to throw (in violation with the DOCTYPE it generated itself):
<?xml version="1.0" encoding="UTF-8" ?>
<jsp:root version="2.0"
xmlns:jsp="http://java.sun.com/JSP/Page";
xmlns:f="http://java.sun.com/jsf/core";
xmlns:h="http://java.sun.com/jsf/html";
xmlns:tr="http://myfaces.apache.org/trinidad";>
<jsp:directive.page contentType="text/html; charset=utf-8"/>
<f:view>
<tr:document title="my title">
<f:facet name="metaContainer">
<link rel="stylesheet" type="text/css" href="/styles.css"> <!-- note:
link is not closed -->
</f:facet>
<p>my body</p>
</tr:document>
</f:view>
</jsp:root>
SEVERE: Servlet.service() for servlet jsp threw exception
org.apache.jasper.JasperException: /trdoc.jsp(12,9) The element type "link"
must be terminated by the matching end-tag
"</link>".
But if the <link> is closed, as the Trinidad parser requires, invalid HTML is
generated for that DOCTYPE. So, strictly speaking, it is no way possible to
generate valid HTML or XHTML, only a mix of both, which doesn't pass any
validation at all (like validator.w3.org). Luckily all known browser have no
problem with that...
> Add a switch to <tr:document> allowing to generate XHTML STRICT or
> TRANSITIONAL DOCTYPE
> ---------------------------------------------------------------------------------------
>
> Key: TRINIDAD-922
> URL: https://issues.apache.org/jira/browse/TRINIDAD-922
> Project: MyFaces Trinidad
> Issue Type: New Feature
> Reporter: Paul van Rossem
>
> Now always the default HTML DOCTYPE is output by the <tr:document> tag. This
> does not allow to validate the output as XHTML.
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