3 files changed, 10 insertions, 3 deletions
diff --git a/html/display_panel/content/main_panel.js b/html/display_panel/content/main_panel.js
index 83c3a6b..9172265 100644
--- a/html/display_panel/content/main_panel.js
+++ b/html/display_panel/content/main_panel.js
@@ -59,6 +59,7 @@ document.querySelector("#info").addEventListener("click", e => {
     setTimeout(close, 100);
     return;
   }
+  if (!button.tagName === "BUTTON") button = button.closest("button");
   if (button.matches(".toggle-source")) {
     let parent = button.parentNode;
     if (!parent.querySelector(".source").textContent) {
@@ -69,10 +70,13 @@ document.querySelector("#info").addEventListener("click", e => {
     return;
   }
 	if (!button.matches(".buttons > button")) return;
+  let domain = button.querySelector(".domain");
+
 	let li = button.closest("li");
 	let entry = li && li._scriptEntry || [currentReport.url, "Page's site"];
 	let action = button.className;
-  let site = button.name === "*";
+  let site = domain ? domain.textContent : button.name === "*" ? currentReport.site : "";
+
   if (site) {
     ([action] = action.split("-"));
   }
diff --git a/html/preferences_panel/pref.js b/html/preferences_panel/pref.js
index 9cecbb6..debb468 100644
--- a/html/preferences_panel/pref.js
+++ b/html/preferences_panel/pref.js
@@ -40,6 +40,9 @@
 					error = "Only one single trailing path wildcard (/*) allowed";
 				}
 			} catch (e) {
+				if (/^https?:\/\/\*\./.test(url)) {
+					return this.malformedUrl(url.replace("*.", ""));
+				}
 				error = "Invalid URL";
 				if (url && !url.includes("://")) error += ": missing protocol, either http:// or https://";
 				else if (url.endsWith("://")) error += ": missing domain name";
diff --git a/html/preferences_panel/preferences_panel.html b/html/preferences_panel/preferences_panel.html
index 3a0ad7a..081ae07 100644
--- a/html/preferences_panel/preferences_panel.html
+++ b/html/preferences_panel/preferences_panel.html
@@ -45,10 +45,10 @@
         <h3>Settings</h3>
     </div>
     <div id="widgets">
-      <fieldset id="section-lists"><legend>Allow or block scripts matching the following URLs ("*" matches any path)</legend>
+      <fieldset id="section-lists"><legend>Allow or block scripts matching the following URLs ("*."" matches any subdomain, "/*" matches any path)</legend>
         <label>Type a new whitelist / blacklist entry:</label>
         <div id="new-site">
-          <input type="text" id="site" value="" placeholder="https://www.gnu.org/*">
+          <input type="text" id="site" value="" placeholder="https://*.gnu.org/*">
           <button id="cmd-whitelist-site" class="white" title="Whitelist this site" default>Whitelist</button>
           <button id="cmd-blacklist-site" class="red" title="Blacklist this site">Blacklist</button>
         </div>