12 files changed, 12 insertions, 0 deletions
diff --git a/spec/if/impl/userext/fatal.yml b/spec/if/impl/userext/fatal.yml
index a59db72e..cc349c93 100644
--- a/spec/if/impl/userext/fatal.yml
+++ b/spec/if/impl/userext/fatal.yml
@@ -7,4 +7,5 @@ links:
 - role: interface-placement
   uid: header
 name: User_extensions_fatal_extension
+reference: null
 type: interface
diff --git a/spec/if/impl/userext/initial-count.yml b/spec/if/impl/userext/initial-count.yml
index b10c9dac..1784f362 100644
--- a/spec/if/impl/userext/initial-count.yml
+++ b/spec/if/impl/userext/initial-count.yml
@@ -7,4 +7,5 @@ links:
 - role: interface-placement
   uid: header
 name: _User_extensions_Initial_count
+reference: null
 type: interface
diff --git a/spec/if/impl/userext/initial-extensions.yml b/spec/if/impl/userext/initial-extensions.yml
index ff9851f5..37928e9a 100644
--- a/spec/if/impl/userext/initial-extensions.yml
+++ b/spec/if/impl/userext/initial-extensions.yml
@@ -7,4 +7,5 @@ links:
 - role: interface-placement
   uid: header
 name: _User_extensions_Initial_extensions
+reference: null
 type: interface
diff --git a/spec/if/impl/userext/table.yml b/spec/if/impl/userext/table.yml
index 3934b54b..41d238c1 100644
--- a/spec/if/impl/userext/table.yml
+++ b/spec/if/impl/userext/table.yml
@@ -7,4 +7,5 @@ links:
 - role: interface-placement
   uid: header
 name: User_extensions_Table
+reference: null
 type: interface
diff --git a/spec/if/impl/userext/thread-begin.yml b/spec/if/impl/userext/thread-begin.yml
index 4dc7e13a..8de433c8 100644
--- a/spec/if/impl/userext/thread-begin.yml
+++ b/spec/if/impl/userext/thread-begin.yml
@@ -7,4 +7,5 @@ links:
 - role: interface-placement
   uid: header
 name: User_extensions_thread_begin_extension
+reference: null
 type: interface
diff --git a/spec/if/impl/userext/thread-create.yml b/spec/if/impl/userext/thread-create.yml
index 84458b1f..f41304f1 100644
--- a/spec/if/impl/userext/thread-create.yml
+++ b/spec/if/impl/userext/thread-create.yml
@@ -7,4 +7,5 @@ links:
 - role: interface-placement
   uid: header
 name: User_extensions_thread_create_extension
+reference: null
 type: interface
diff --git a/spec/if/impl/userext/thread-delete.yml b/spec/if/impl/userext/thread-delete.yml
index d0d882b5..09345c22 100644
--- a/spec/if/impl/userext/thread-delete.yml
+++ b/spec/if/impl/userext/thread-delete.yml
@@ -7,4 +7,5 @@ links:
 - role: interface-placement
   uid: header
 name: User_extensions_thread_delete_extension
+reference: null
 type: interface
diff --git a/spec/if/impl/userext/thread-exitted.yml b/spec/if/impl/userext/thread-exitted.yml
index da06a4a3..6f4c7b67 100644
--- a/spec/if/impl/userext/thread-exitted.yml
+++ b/spec/if/impl/userext/thread-exitted.yml
@@ -7,4 +7,5 @@ links:
 - role: interface-placement
   uid: header
 name: User_extensions_thread_exitted_extension
+reference: null
 type: interface
diff --git a/spec/if/impl/userext/thread-restart.yml b/spec/if/impl/userext/thread-restart.yml
index 138b96db..48655bcc 100644
--- a/spec/if/impl/userext/thread-restart.yml
+++ b/spec/if/impl/userext/thread-restart.yml
@@ -7,4 +7,5 @@ links:
 - role: interface-placement
   uid: header
 name: User_extensions_thread_restart_extension
+reference: null
 type: interface
diff --git a/spec/if/impl/userext/thread-start.yml b/spec/if/impl/userext/thread-start.yml
index 4e3dc054..28e8b4d3 100644
--- a/spec/if/impl/userext/thread-start.yml
+++ b/spec/if/impl/userext/thread-start.yml
@@ -7,4 +7,5 @@ links:
 - role: interface-placement
   uid: header
 name: User_extensions_thread_start_extension
+reference: null
 type: interface
diff --git a/spec/if/impl/userext/thread-switch.yml b/spec/if/impl/userext/thread-switch.yml
index 22da8b05..6ab17714 100644
--- a/spec/if/impl/userext/thread-switch.yml
+++ b/spec/if/impl/userext/thread-switch.yml
@@ -7,4 +7,5 @@ links:
 - role: interface-placement
   uid: header
 name: User_extensions_thread_switch_extension
+reference: null
 type: interface
diff --git a/spec/if/impl/userext/thread-terminate.yml b/spec/if/impl/userext/thread-terminate.yml
index 8c41e8f7..be14a142 100644
--- a/spec/if/impl/userext/thread-terminate.yml
+++ b/spec/if/impl/userext/thread-terminate.yml
@@ -7,4 +7,5 @@ links:
 - role: interface-placement
   uid: header
 name: User_extensions_thread_terminate_extension
+reference: null
 type: interface