minidom: Specify XML subset restrictions in readme

Colin Kinloch created

skip-changelog: It's just a readme

Change summary

minidom/README.md | 4 ++++
1 file changed, 4 insertions(+)

Detailed changes

minidom/README.md 🔗

@@ -6,3 +6,7 @@ What's this?
 
 A minimal DOM library on top of rxml, targeting exclusively the subset of
 XML useful for XMPP.
+
+| Restriction | Supported ✅ | Unsupported ❌ |
+| - | - | - |
+| Namespaces are mandatory | `<a xmlns="ns"></a>` | `<a></a>` |