Address review comments

- Restore the non-breakable space before "(package)" in module index
  links.
- Indent the navigation bar HTML template.
- Use the "keyword" CSS class for keyword help pages, in addition to
  "topic" for topic help pages.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

Author: serhiy-storchaka

Lib/pydoc.py

@@ -706,7 +706,7 @@ def modpkglink(self, modpkginfo):
         else:
             url = '%s.html' % name
         if ispackage:
-            text = '<strong>%s</strong> (package)' % name
+            text = '<strong>%s</strong>&nbsp;(package)' % name
         else:
             text = name
         return '<a href="%s">%s</a>' % (url, text)
@@ -2499,22 +2499,22 @@ def html_navbar():
                                                platform.python_compiler()))
         return """
 <nav class="navbar">
-<div class="navbar-version">Python %s<br>%s</div>
-<ul>
-<li><a href="index.html">Module Index</a></li>
-<li><a href="topics.html">Topics</a></li>
-<li><a href="keywords.html">Keywords</a></li>
-</ul>
-<div>
-<form action="get">
-<input type="search" name="key" size="15" placeholder="Get help on ...">
-<input type="submit" value="Get">
-</form>
-<form action="search">
-<input type="search" name="key" size="15" placeholder="Search modules">
-<input type="submit" value="Search">
-</form>
-</div>
+  <div class="navbar-version">Python %s<br>%s</div>
+  <ul>
+    <li><a href="index.html">Module Index</a></li>
+    <li><a href="topics.html">Topics</a></li>
+    <li><a href="keywords.html">Keywords</a></li>
+  </ul>
+  <div>
+    <form action="get">
+      <input type="search" name="key" size="15" placeholder="Get help on ...">
+      <input type="submit" value="Get">
+    </form>
+    <form action="search">
+      <input type="search" name="key" size="15" placeholder="Search modules">
+      <input type="submit" value="Search">
+    </form>
+  </div>
 </nav>
 """ % (version, html.escape(platform.platform(terse=True)))
 
@@ -2601,7 +2601,8 @@ def html_topicpage(topic):
         else:
             title = 'TOPIC'
         heading = html.heading('%s %s' % (title.capitalize(), topic))
-        contents = '<pre class="topic">%s</pre>' % html.markup(contents)
+        contents = ('<pre class="%s">%s</pre>'
+                    % (title.lower(), html.markup(contents)))
         if xrefs:
             xrefs = sorted(xrefs.split())
 

Lib/pydoc_data/_pydoc.css

@@ -127,7 +127,7 @@ section section {
     margin: 0.3em 0;
 }
 
-pre.topic {
+pre.topic, pre.keyword {
     background-color: var(--block-background-color);
     border: 1px solid var(--block-border-color);
     border-radius: 3px;