Merge "Enable configuration to supply options for Special:Search form"

diff --combined includes/DefaultSettings.php
index 9efcfb4,ff34c36..de94f77
--- 1/includes/DefaultSettings.php
--- 2/includes/DefaultSettings.php
+++ b/includes/DefaultSettings.php
@@@ -8497,7 -8497,6 +8497,7 @@@ $wgExternalDiffEngine = false
   * See $wgExternalDiffEngine.
   *
   * @since 1.30
 + * @deprecated since 1.34
   */
  $wgWikiDiff2MovedParagraphDetectionCutoff = 0;
  
@@@ -9083,6 -9082,17 +9083,17 @@@ $wgReportToEndpoints = []
   */
  $wgFeaturePolicyReportOnly = [];
  
+ /**
+  * Options for Special:Search completion widget form created by SearchFormWidget class.
+  * Settings that can be used:
+  * - showDescriptions: true/false - whether to show opensearch description results
+  * - performSearchOnClick:  true/false - whether to perform search on click
+  * See also TitleWidget.js UI widget.
+  * @since 1.34
+  * @var array
+  */
+ $wgSpecialSearchFormOptions = [];
+ 
  /**
   * For really cool vim folding this needs to be at the end:
   * vim: foldmarker=@{,@} foldmethod=marker