[gcalctool] Add NEWS about new documentation

[Robert Ancell <rancell src gnome org>]

commit b0d1c02d318da8575cee304d58ff14235140b9f6
Author: Robert Ancell <robert ancell gmail com>
Date:   Mon Feb 22 09:34:25 2010 +1100

    Add NEWS about new documentation

 NEWS |    6 ++++--
 1 files changed, 4 insertions(+), 2 deletions(-)
---
diff --git a/NEWS b/NEWS
index 1428457..889d6a3 100644
--- a/NEWS
+++ b/NEWS
@@ -6,11 +6,13 @@
  
 Overview of changes in gcalctool 5.29.91
 
-    * Change boolean functions to uppercase (xor -> XOR)
-    
     * Fix bug where backspace deletes all input in locales with no thousands
       separator
 
+    * Change boolean functions to uppercase (xor -> XOR)
+
+    * Documentation rewritten
+
     * Modernised build system
  
 Overview of changes in gcalctool 5.29.90