Switch to side-by-side view

--- a/src/qtgui/i18n/recoll_zh.ts
+++ b/src/qtgui/i18n/recoll_zh.ts
@@ -1583,6 +1583,10 @@
     </message>
     <message>
         <source>Webcache Editor</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <source>Trigger incremental pass</source>
         <translation type="unfinished"></translation>
     </message>
 </context>
@@ -3171,5 +3175,13 @@
         <source>Set path translations for the selected index or for the main one if no selection exists.</source>
         <translation type="unfinished"></translation>
     </message>
+    <message>
+        <source>Activate links in preview.</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <source>Make links inside the preview window clickable, and start an external browser when they are clicked.</source>
+        <translation type="unfinished"></translation>
+    </message>
 </context>
 </TS>