Switch to side-by-side view

--- a/website/CHANGES.txt
+++ b/website/CHANGES.txt
@@ -10,6 +10,11 @@
 values, and the user ones only for overrides. Your old configuration files
 will still work, but, you may want to remove them if they are unmodified,
 or keep only the modified parameters.
+
+1.5.1
+- Fix serious bug with non ascii strings in simple search history
+- Improve synthetic abstracts: remove size limitations, handle overlapping
+  extracts, avoid printing several terms from the same position.
 
 1.5.0 2006-09-20