Index: doc/Announce2.2.0
===================================================================
diff -u -r70c46a63c90b5ed0d5488c6bc1be0ac4abaaff56 -ra3d55a50be6eb09fc4dc08480079ee84d76d39ba
--- doc/Announce2.2.0	(.../Announce2.2.0)	(revision 70c46a63c90b5ed0d5488c6bc1be0ac4abaaff56)
+++ doc/Announce2.2.0	(.../Announce2.2.0)	(revision a3d55a50be6eb09fc4dc08480079ee84d76d39ba)
@@ -24,8 +24,11 @@
     + The lookup for (bytecode-compiled) object variables is now
     supported by a lookup cache to avoid repeated linear searches.
     + The number of string comparisons (strcmp) was reduced
-    systematically, in method-parameter parsing and method-parameter
+    systematically, in method-parameter parsing and argument
     handling.
+    + The number of strlen uses was reduced, especially in
+    method-parameter parsing and argument handling.
+    + ...
 
 - NX:
 
@@ -59,9 +62,14 @@
 - MongoDB interface upgrade:
 
   * Upgraded driver and utilities to mongodb-c-driver 1.9.3 and libbson 1.9.3.
-
   * Add regular expression queries to conditions in nx::mongo
 
+- nx::test
+
+  * Provide for expressing expected results in terms of error codes,
+    rather than error messages. This is to prepare an upcoming reform
+    on providing error codes from within NSF more extensively.
+
 - Documentation:
 
   * NSF now has support for TIP #59 introspection via
@@ -71,6 +79,14 @@
   
 - Maintenance & bug fixes:
 
+  * Execution namespace reform: NSF methods execute in their object's
+    definition namespace, and not in the the proc's origin
+    namespace. Rather than patching the proc commands namespace
+    unconditionally (leading to counter-intuitive results using
+    standard Tcl introspection on these commands), the execution
+    namespace is maintained in a context structure and patched for
+    executing the proc only.
+
   * Migration to 'bool'
 
   * Tcl 8.7: