Minor tweak

Author: kwankyu

.github/workflows/doc-build.yml

@@ -149,7 +149,7 @@ jobs:
             const baseDocURL = 'https://sagemath-tobias.netlify.app/'
             const diffParagraphs = document.querySelectorAll('p.diff');
             diffParagraphs.forEach(paragraph => {
-              const rootURL = window.location.origin;
+              const rootURL = window.location.origin + '/';
               const docAnchor = paragraph.querySelector('a');
               const path = docAnchor.textContent; // .href doesn't work
               const anchor = document.createElement('a');
@@ -174,7 +174,7 @@ jobs:
                   match = re.search(r'^diff --git a/(.*) b/\1', block, flags=re.MULTILINE)
                   if match:
                       path = match.group(1)
-                      out_blocks.append(f'<p class="diff"><a href="{path}">{path}</a>&nbsp;</p>\n<pre><code class="language-diff">\n' + html.escape(block).strip() + '\n</code></pre>')
+                      out_blocks.append(f'<p class="diff"><a href="{path}">{path}</a>&emsp;</p>\n<pre><code class="language-diff">' + html.escape(block).strip() + '</code></pre>')
               output_text = '\n'.join(out_blocks)
           with open('./docs/diff.html', 'w') as f:
               f.write(output_text)