Index: wikidiff.cpp
===================================================================
--- wikidiff.cpp	(revision 91546)
+++ wikidiff.cpp	(working copy)
@@ -89,8 +89,8 @@
 				ctx = num_lines_context;
 			}
 			
-			ret += "<tr><td> </td><td class=\"diff-context\">" + *linediff[i].from + "</td>"
-				"<td> </td><td class=\"diff-context\">" + *linediff[i].to + "</td></tr>";
+			ret += "<tr><td>&nbsp;</td><td class=\"diff-context\">" + *linediff[i].from + "</td>"
+				"<td>&nbsp;</td><td class=\"diff-context\">" + *linediff[i].to + "</td></tr>";
 			break;
 		case rep:
 			// replace, ie. we do a word diff between the two lines