Adjust cellspacing attribute of the navigation bar tables to get some
space between cells on all (major) browsers.
diff --git a/Doc/perl/l2hinit.perl b/Doc/perl/l2hinit.perl
index 180874e..422f902 100644
--- a/Doc/perl/l2hinit.perl
+++ b/Doc/perl/l2hinit.perl
@@ -112,7 +112,7 @@
 $NAV_BGCOLOR = " bgcolor=\"#99CCFF\"";
 
 sub make_nav_panel{
-    ("<table width=\"100%\" cellpadding=0 cellspacing=0>\n<tr>"
+    ("<table width=\"100%\" cellpadding=0 cellspacing=2>\n<tr>"
      . "\n<td>$NEXT</td>"
      . "\n<td>$UP</td>"
      . "\n<td>$PREVIOUS</td>"