Given this XML file:
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE article [
<!ENTITY mdash "—">
]>
<root>
—
</root>
when — is hovered, we should see the same information than entities completion:

It should work for external entities too (entities declared in a DTD ).
Given this XML file:
when
—is hovered, we should see the same information than entities completion:It should work for external entities too (entities declared in a DTD ).