doc/changes.src: begin the release notes for 2.06

The next version will presumably be called 2.06; begin collecting
release notes.

Signed-off-by: H. Peter Anvin <hpa@zytor.com>
diff --git a/doc/changes.src b/doc/changes.src
index d546b39..86ba95e 100644
--- a/doc/changes.src
+++ b/doc/changes.src
@@ -8,6 +8,11 @@
 since 2007.
 
 
+\S{cl-2.06} Version 2.06
+
+\b Support for indirect macro expansion (\c{%[...]}).  See \k{indmacro}.
+
+
 \S{cl-2.05} Version 2.05
 
 \b Fix redundant REX.W prefix on \c{JMP reg64}.