Show quoted tweet url inside quoted tweets

Since quoted tweets aren't displayed recursively, a quoted quoted tweet
just has the text but no link or indication that it is quoting anything.

format.ts

@@ -62,6 +62,10 @@ function buildTwitterUrl(url: string): string {
   return new URL(url, 'https://twitter.com').toString();
 }
 
+function buildTweetUrl(tweet: Tweet): string {
+  return buildTwitterUrl(`/${tweet.user.screen_name}/status/${tweet.id_str}`);
+}
+
 function buildProxyUrl(url: string): string {
   const search = new URLSearchParams({ target: url }).toString();
   return `/__proxy?${search}`;
@@ -88,7 +92,12 @@ class TextFormatter {
         text: tag('a', { href: url }, `#${text}`),
       });
     }
+    const quoteLink = tweet.quoted_status ? buildTweetUrl(tweet.quoted_status) : undefined;
     for (const link of tweet.entities.urls) {
+      if (quoteLink && link.expanded_url === quoteLink) {
+        // skip links for quoted status that are displayed inline
+        continue;
+      }
       const url = new URL(link.expanded_url).toString();
       this.splices.push({
         indices: link.indices,
@@ -150,7 +159,7 @@ class TextFormatter {
     const imageUrl = new URL(this.tweet.user.profile_image_url_https).toString();
     const imageSrc = this.useProxy ? buildProxyUrl(imageUrl) : imageUrl;
     const profileUrl = buildTwitterUrl(`/${this.tweet.user.screen_name}`);
-    const tweetUrl = buildTwitterUrl(`/${this.tweet.user.screen_name}/status/${this.tweet.id_str}`);
+    const tweetUrl = buildTweetUrl(this.tweet);
     const html = [
       tag('img', { loading: 'lazy', src: imageSrc, height: '24px', width: '24px' }),
       ' ',
@@ -165,9 +174,8 @@ class TextFormatter {
   }
 
   bodyHTML(): SafeString {
-    const max = this.tweet.display_text_range[1];
     const splices = this.splices
-      .filter(({ indices }) => indices[0] < max && indices[1] <= max)
+      .filter(({ indices }) => indices[0] && indices[1])
       .sort((a, b) => a.indices[0] - b.indices[0]);
 
     let index = 0;
@@ -260,7 +268,7 @@ export function timelineAsJSON(username: string, tweets: Tweet[]): string {
     return {
       id: tweet.id_str,
       title: unescapeHTML(tweet.full_text.split('\n')[0]),
-      url: buildTwitterUrl(`/${tweet.user.screen_name}/status/${tweet.id_str}`),
+      url: buildTweetUrl(tweet),
       content_html: html,
       date_published: new Date(tweet.created_at).toISOString(),
       authors: [{