diff --git a/package.json b/package.json
index 6148aca..6484544 100644
--- a/package.json
+++ b/package.json
@@ -5,7 +5,7 @@
   "main": "index.js",
   "type": "module",
   "scripts": {
-    "build": "deno build.ts --tagName 1.73.1b0 > ubo.js",
+    "build": "deno build.ts --tagName 1.73.1b4 > ubo.js",
     "test": "node --test"
   },
   "author": {
diff --git a/ubo.js b/ubo.js
index f5ea50e..6038237 100644
--- a/ubo.js
+++ b/ubo.js
@@ -29456,11 +29456,23 @@ function preventClipboardWrite(matches = '', ...varargs) {
         const div = doc.createElement('div');
         const span = doc.createElement('span');
         span.style = 'flex-grow:1;padding:0.5em 0 0.5em 0.5em;';
-        const { domAlert } = extraArgs;
+        const domAlert = extraArgs.domAlert.replace(/\\n/g, '\n');
         const placeholder = /\$\{text\}/.exec(domAlert);
         if ( placeholder ) {
             const code = doc.createElement('code');
-            code.style = 'background-color:#ddc;font-family:monospace;padding:0.25em;user-select:none;word-break:break-all';
+            const styles = [
+                'background-color: #ddc',
+                'display: inline-block',
+                'font-family: monospace',
+                'max-height: 8em',
+                'overflow: auto',
+                'padding: 0.25em',
+                'word-break: break-all'
+            ];
+            if ( Boolean(extraArgs.selectable ?? true) === false ) {
+                styles.push('user-select: none');
+            }
+            code.style = styles.join(';');
             code.textContent = clipboardText;
             span.append(
                 domAlert.slice(0, placeholder.index),
@@ -29471,7 +29483,7 @@ function preventClipboardWrite(matches = '', ...varargs) {
             span.append(domAlert);
         }
         const button = doc.createElement('button');
-        button.style = 'padding:1em';
+        button.style = 'font-size:32px;padding:0.5em';
         button.textContent = '×';
         button.addEventListener('click', ( ) => {
             if ( currentAlert === null ) { return; }
@@ -29479,7 +29491,7 @@ function preventClipboardWrite(matches = '', ...varargs) {
             currentAlert = null;
         });
         div.append(span, button);
-        div.style = 'background-color:beige;color:black;border:1px solid black;display:flex;font-size:medium;position:fixed;text-align:center;top:0;width:100%;z-index:2147483647';
+        div.style = 'background-color:beige;color:black;border:1px solid black;display:flex;font-family:sans-serif;font-size:medium;position:fixed;top:0;white-space:pre-wrap;width:100%;z-index:2147483647';
         doc.documentElement.append(div);
         if ( currentAlert ) {
             currentAlert.remove();
@@ -29510,7 +29522,7 @@ function preventClipboardWrite(matches = '', ...varargs) {
             const { callArgs } = context;
             if ( callArgs[0] === 'copy' || callArgs[0] === 'cut' ) {
                 const text = document.getSelection()?.toString();
-                if ( text && prevent(text) ) { return false; }
+                if ( prevent(text) ) { return true; }
             }
             return context.reflect();
         }, { skipToString: true });
@@ -43637,7 +43649,7 @@ function trustedReplaceOutboundText(
 ) {
     if ( propChain === '' ) { return; }
     const safe = safeSelf();
-    const logPrefix = safe.makeLogPrefix('trusted-replace-outbound-text', propChain, rawPattern, rawReplacement, ...args);
+    const logPrefix = safe.makeLogPrefix('trusted-replace-outbound-text', propChain, rawPattern, rawReplacement, ...varargs);
     const rePattern = safe.patternToRegex(rawPattern);
     const replacement = rawReplacement.startsWith('json:')
         ? safe.JSON_parse(rawReplacement.slice(5))