Add note about Vivaldi spatial navigation

diff --git a/IDEAS.org b/IDEAS.org
index 4f2bd0261e9e621a54abd96e4f5ac7d506ee29c5..0864427f3c9ceb5534560b3b07f495b89c966e4a 100644 (file)
--- a/IDEAS.org
+++ b/IDEAS.org
@@ -34,6 +34,8 @@ See [[https://github.com/open-telemetry/opentelemetry-specification/blob/main/ex
 - Adapt web pages so you can browse them using cursor keys.
 - Use a "powerful" computer as a Smart TV with a simple remote
 
+Vivaldi's "spatial navigation" supposedly does this, but chokes on D+.
+
 * Terminal mail client
 
 - Easy set up of common mail accounts (perhaps using mbsync, notmuch, mu, etc.)