generate-copyright: Update HTML format

The h3 containing the <a> tag didn't work, format wise. Also tried to harmonise the out-of-tree metadata formatting with the in-tree metadata formatting.

src/tools/generate-copyright/src/main.rs

@@ -174,27 +174,38 @@ fn render_deps<'a, 'b>(
     license_set: &mut BTreeSet<String>,
 ) -> Result<(), Error> {
     for dep in deps {
-        let authors_list = dep.authors.join(", ");
+        let authors_list = if dep.authors.is_empty() {
+            "None Specified".to_owned()
+        } else {
+            dep.authors.join(", ")
+        };
         let url = format!("https://crates.io/crates/{}/{}", dep.name, dep.version);
         writeln!(buffer)?;
         writeln!(
             buffer,
-            r#"<h3><a href="{url}">{name} {version}</a></h3>"#,
+            r#"<h3>📦 {name}-{version}</h3>"#,
             name = dep.name,
             version = dep.version,
-            url = url,
         )?;
-        writeln!(buffer, "<h4>Authors</h4><p>{}</p>", escape_html(&authors_list))?;
-        writeln!(buffer, "<h4>License</h4><p>{}</p>", escape_html(&dep.license))?;
+        writeln!(buffer, r#"<p><b>URL:</b> <a href="{url}">{url}</a></p>"#,)?;
+        writeln!(buffer, "<p><b>Authors:</b> {}</p>", escape_html(&authors_list))?;
+        writeln!(buffer, "<p><b>License:</b> {}</p>", escape_html(&dep.license))?;
         license_set.insert(dep.license.clone());
-        for (name, contents) in &dep.notices {
-            writeln!(buffer)?;
-            writeln!(buffer, "<h4>{}</h3>", name.to_string_lossy())?;
-            writeln!(buffer)?;
-            writeln!(buffer, "<details><summary>Click to expand</summary>")?;
-            writeln!(buffer, "<pre>\n{}\n</pre>", contents)?;
-            writeln!(buffer, "</details>")?;
+        writeln!(buffer, "<p><b>Notices:</b> ")?;
+        if dep.notices.is_empty() {
+            writeln!(buffer, "None")?;
+        } else {
+            for (name, contents) in &dep.notices {
+                writeln!(
+                    buffer,
+                    "<details><summary><code>{}</code></summary>",
+                    name.to_string_lossy()
+                )?;
+                writeln!(buffer, "<pre>\n{}\n</pre>", contents)?;
+                writeln!(buffer, "</details>")?;
+            }
         }
+        writeln!(buffer, "</p>")?;
     }
     Ok(())
 }