--- findbar.xml.orig	2024-08-15 17:20:08.903779864 +0100
+++ findbar.xml	2024-08-15 17:27:02.438500336 +0100
@@ -367,16 +367,20 @@
         this._findStatusDesc = this.getElement("find-status");
 
         this._foundURL = null;
 
         let prefsvc = this._prefsvc;
 
         this._quickFindTimeoutLength =
           prefsvc.getIntPref("accessibility.typeaheadfind.timeout");
+        if (!prefsvc.getBoolPref("accessibility.typeaheadfind.enabletimeout",
+                                 true)) {
+          this._quickFindTimeoutLength = 0;
+        }
         this._flashFindBar =
           prefsvc.getIntPref("accessibility.typeaheadfind.flashBar");
         this._useModalHighlight = prefsvc.getBoolPref("findbar.modalHighlight");
 
         prefsvc.addObserver("accessibility.typeaheadfind",
                             this._observer);
         prefsvc.addObserver("accessibility.typeaheadfind.linksonly",
                             this._observer);
@@ -466,21 +470,25 @@
 
           // Don't close the find toolbar while IME is composing OR when the
           // findbar is already hidden.
           if (this._isIMEComposing || this.hidden) {
             this._quickFindTimeout = null;
             return;
           }
 
-          this._quickFindTimeout = setTimeout(() => {
-             if (this._findMode != this.FIND_NORMAL)
-               this.close();
-             this._quickFindTimeout = null;
-           }, this._quickFindTimeoutLength);
+          if (this._quickFindTimeoutLength < 1) {
+            this._quickFindTimeout = null;
+          } else {
+            this._quickFindTimeout = setTimeout(() => {
+               if (this._findMode != this.FIND_NORMAL)
+                 this.close();
+               this._quickFindTimeout = null;
+             }, this._quickFindTimeoutLength);
+          }
         ]]></body>
       </method>
 
       <field name="_pluralForm">null</field>
       <property name="pluralForm">
         <getter><![CDATA[
           if (!this._pluralForm) {
             this._pluralForm = ChromeUtils.import(