Chapter 4. Other extensions
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## Chapter 4. Other extensions

### Tip

Rules which use extensions specific to XMLmind XML Editor may be specified in `@media XMLmind-XML-Editor` constructs (identifier `XMLmind-XML-Editor` being case-insensitive). Example:

    @media XMLmind-XML-Editor {
        img {
            content: image(attr(src));
        }
    }

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