This was first filed for ns-tracker https://github.com/weavejester/ns-tracker/issues/15 but I understand it's more specific to tools.namespace.
(I realize this is likely a very low priority, but it'd still be nice to see fixed if possible. Thanks!)
ns-tracker tools.namespace will cease following a namespace when there's non-commented content before the namespace declaration.
untracked — (any of the four possibilities when uncommented, for example):