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@@ -511,6 +511,15 @@ div.aside > h2
 
 You can nest elements to any depth.
 
+#### Ignoring document elements
+
+Use `!` to ignore a document element.
+For instance, to ignore any paragraph with the style `Comment`:
+
+```
+p[style-name='Comment'] => !
+```
+
 ## Missing features
 
 Compared to the JavaScript and Python implementations, the following features