Switch to side-by-side view

--- a/website/BUGS.html
+++ b/website/BUGS.html
@@ -38,6 +38,10 @@
       
       <h2><a name="b_latest">recoll 1.18.1</a></h2> 
       <ul>
+
+        <li>When no indexing helper applications are actually missing,
+          an ennoying popup is shown in the GUI at each end of a batch
+          indexing run (it's supposed to be shown only once).</li>
 
         <li>Weird data in filter output text (e.g.: produced by some
           versions of pdftotext) can cause an error which will halt