Added some more API/ABI maintentance notes. Mentioned the icheck tool in the rel-manager howto.

darcs-hash:20060809135948-7659e-27f238b80ad2ab3c23f112a2bee0d4df3685e5ec.gz

RELEASE.template

@@ -22,9 +22,10 @@ API/ABI changes and versioning
 
 libsofia-sip-ua:
 - Added foobar() function (sofia-sip/foobar.h).
-- This release is ABI/API compatible with applications 
-  linked against 1.12.0. The ABI has been tested with the nua
-  module unit test (test_nua) built against original 1.12.0 release.
+- This release is ABI/API compatible with applications linked against 
+  any 1.12.x release. However, applications built against this release won't 
+  work against an older library. The ABI has been tested with the nua module 
+  unit test (test_nua) built against original 1.12.0 release.
 
 libsofia-sip-ua-glib:
 - No ABI/API changes, compatible with 1.12.0. Note, libsofia-sip-ua-glib

docs/release_management.txt

@@ -3,7 +3,7 @@ Sofia-SIP release management README
 ===================================
 
 :Author: Kai Vehmanen <kai -dot vehmanen -at- nokia -dot- com>
-:Version: 20060616-11
+:Version: 20060809-12
 :Formatting: reStructuredText, http://docutils.sourceforge.net/rst.html
 
 Introduction
@@ -126,3 +126,11 @@ tree.
   changes made outside the target tree (what, who and when -
   for example produced with the "darcs changes --summary" 
   command).
+
+Checking API/ABI compatibility
+==============================
+
+- Use a unit test binary built against an old library, 
+  to verify a new library version (forwards-compatibility).
+- Use the 'icheck' tool (in Debian) to make comparsion
+  with two released versions.