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https://issues.apache.org/jira/browse/TAP5-840?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13113036#comment-13113036
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Howard M. Lewis Ship commented on TAP5-840:
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I'm taking a crack at this as an ugly, but effective hack.
Before parsing the template, we look at the very first line, to see if it is
exactly:
<!DOCTYPE html>
If it is, then we substitute an alternate doctype:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd";>
... this involves reading all the other lines of the original template into
memory and forming an input stream around the buffer. From the XML parser's
point of view, the template has the transitional doctype INCLUDING the
public/system ids.
> Support character references in tml files with HTML 5 Doctype
> -------------------------------------------------------------
>
> Key: TAP5-840
> URL: https://issues.apache.org/jira/browse/TAP5-840
> Project: Tapestry 5
> Issue Type: Improvement
> Components: tapestry-core
> Affects Versions: 5.3, 5.2.6, 5.1.0.5, 5.0.18
> Reporter: Ben Gidley
> Assignee: Howard M. Lewis Ship
> Attachments: patch.txt
>
>
> Currently to support HTML character references (e.g. ©) you need to put
> a HTML Doctype at the top of the TML file.
> e.g. <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
> "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd";>
> However for HTML 5 they have stopped using XML doctypes and instead use
> <!DOCTYPE html>
> If you change tapestry page to use this you can no longer use entities as the
> XML parser doesn't know what to do.
> Ideally there should be some kind of logic that detects <!DOCTYPE html> and
> include a suitable DTD to resolve the common HTML entities. The HTML 5
> specification defines the allowed named character references -
> http://dev.w3.org/html5/spec/Overview.html#named-character-references. There
> doesn't seem to be a DTD of allowed references maintained anymore.
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