--- a/tests/test-identify.t	Thu Mar 15 21:22:52 2018 +0900
+++ b/tests/test-identify.t	Thu Mar 15 21:38:57 2018 +0900
@@ -63,6 +63,16 @@
   $ hg id -T '{parents % "{rev} {node|shortest} {desc}\n"}'
   0 cb9a a
 
+test nested template: '{tags}'/'{node}' constants shouldn't override the
+default keywords, but '{id}' persists because there's no default keyword
+for '{id}' (issue5612)
+
+  $ hg id -T '{tags}\n'
+  tip
+  $ hg id -T '{revset("null:.") % "{rev}:{node|short} {tags} {id}\n"}'
+  -1:000000000000  cb9a9f314b8b
+  0:cb9a9f314b8b tip cb9a9f314b8b
+
 with modifications
 
   $ echo b > a