Copy transcripts from the other empty namespace branch

unison-src/transcripts/empty-namespaces.md

@@ -0,0 +1,36 @@
+# Empty namespace behaviours
+
+```unison:hide
+mynamespace.x = 1
+```
+
+```ucm:hide
+.> add
+.> delete.namespace mynamespace
+```
+
+The deleted namespace shouldn't appear in `ls` output.
+```ucm:error
+.> ls
+```
+```ucm:error
+.> ls.verbose
+```
+```ucm:error
+.> find mynamespace
+```
+
+
+The history of the namespace should still exist if requested explicitly.
+
+```ucm
+.> history mynamespace
+```
+
+Merging an empty namespace should still copy its history if it has some.
+
+```ucm
+.empty> history
+.empty> merge .mynamespace
+.empty> history
+```

unison-src/transcripts/empty-namespaces.output.md

@@ -0,0 +1,75 @@
+# Empty namespace behaviours
+
+```unison
+mynamespace.x = 1
+```
+
+The deleted namespace shouldn't appear in `ls` output.
+```ucm
+.> ls
+
+  nothing to show
+
+```
+```ucm
+.> ls.verbose
+
+  😶
+  
+  No results. Check your spelling, or try using tab completion
+  to supply command arguments.
+
+```
+```ucm
+.> find mynamespace
+
+  😶
+  
+  No results. Check your spelling, or try using tab completion
+  to supply command arguments.
+
+```
+The history of the namespace should still exist if requested explicitly.
+
+```ucm
+.> history mynamespace
+
+  Note: The most recent namespace hash is immediately below this
+        message.
+  
+  ⊙ #qjc20aua9h
+  
+    - Deletes:
+    
+      x
+  
+  □ #hkrqt3tm05 (start of history)
+
+```
+Merging an empty namespace should still copy its history if it has some.
+
+```ucm
+  ☝️  The namespace .empty is empty.
+
+.empty> history
+
+  ☝️  The namespace .empty is empty.
+
+.empty> merge .mynamespace
+
+  Nothing changed as a result of the merge.
+
+.empty> history
+
+  Note: The most recent namespace hash is immediately below this
+        message.
+  
+  ⊙ #qjc20aua9h
+  
+    - Deletes:
+    
+      x
+  
+  □ #hkrqt3tm05 (start of history)
+
+```