Fix #70001: Assigning to DOMNode::textContent does additional entity … #1395
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…encoding
Assigning to DOMNode::textContent encodes entities, what does not match the
behavior of DOMText::__construct() and DOMDocument::createTextNode. This patch
changes the behavior of DOMNode::textContent in this regard.
IMO the former behavior is a bug, but changing the behavior would constitute a BC break (there may be code working around the issue), so perhaps it would be best to apply the patch for PHP 7 only.