Allow control over default search results tab

core/ui/SearchResults.tid

@@ -7,7 +7,7 @@ title: $:/core/ui/SearchResults
 <$transclude/>
 </$list>
 """>
-<<tabs "[all[shadows+tiddlers]tag[$:/tags/SearchResults]!has[draft.of]]" "$:/core/ui/DefaultSearchResultList">>
+<$macrocall $name="tabs" tabsList="[all[shadows+tiddlers]tag[$:/tags/SearchResults]!has[draft.of]]" default={{$:/config/SearchResults/Default}}/>
 </$list>
 
 </div>

core/wiki/config/SearchResultsDefault.tid

@@ -0,0 +1,3 @@
+title: $:/config/SearchResults/Default
+
+$:/core/ui/DefaultSearchResultList

editions/prerelease/tiddlers/Customising search results.tid

@@ -13,6 +13,8 @@ To create a new search result visualisation:
 # Create a new tiddler tagged [[$:/tags/SearchResults]]
 # Use the widget variable ''searchTiddler'' to access the title of the tiddler containing the current search term
 
+If you'd like the new visualisation to be the default, create a tiddler called [[$:/config/SearchResults/Default]] containing the title of the tiddler containing the search visualisation that you want to display by default.
+
 Here is an example of an alternative visualisation that displays results in reverse chronological order:
 
 ```