var, maclib, etc.

documentation/RELEASE_NOTES.html

@@ -18,6 +18,14 @@
 <h2>Changes since 3.14.2</h2>
 </center>
 
+<p><strong>macEnvExpand</strong></p>
+<p>Macro expansion using environment variables as macro definitions</p>
+
+<p><strong>iocsh var command</strong></p>
+<p>For simple applications such as controlling the value of debugging flags.
+Devlopers with more complex expression handling requirements should consider
+use of the <strong>cexp</strong> package.
+
 <p><strong>iocshArgPersistentString</strong></p>
 <p>Tell iocsh to make a copy of the argument string before passing it to the handler function.</p>