Hi All,

There appears to be a problem viewing XML documents / nodes in the inspector when using XMLParser (catalog version) in the latest Pharo 7.

When running the following:

```smalltalk
xml := 'https://www.w3schools.com/xml/note.xml' asUrl retrieveContents.
document := XMLDOMParser parse: xml.
document inspect.
```

I'm getting an error that looks like it comes from:
XMLDocumentHighlightDefaults class >> #textColorForShoutProperty:

The method appears to rely on SHTextStylerST80, which I guess no longer exists in Pharo 7.
--
Eric