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+---
+
+title: Spaces around h1 tags
+
+date: 2021-08-11
+
+updated_at: 2021-08-15
+
+layout: post
+
+lang: en
+
+ref: spaces-around-h1-tags
+
+---
+
+*EDIT*: Apparently, the behaviour below is consistent between Firefox and
+Chromium for links, but not for `<h1>`.
+My conclusion is that the `<h1>` behaviour is a Firefox quirk, but the `<a>` is
+expected.
+
+---
+
+The HTML below has selectable extra spaces after `<h1>` tags:
+
+```html
+<!DOCTYPE html>
+<html lang="en">
+  <head>
+    <meta charset="UTF-8" />
+    <meta name="viewport" content="width=device-width, initial-scale=1" />
+    <title>Spaces around h1 tags</title>
+  </head>
+  <body>
+    <main>
+      <h1>
+        With spaces around when selecting this heading
+      </h1>
+      <h1>Without spaces around</h1>
+      <p>
+        Is this expected behaviour?
+      </p>
+    </main>
+  </body>
+</html>
+```
+
+The rendered output is:
+
+<h1>
+  With spaces around when selecting this heading
+</h1>
+<h1>Without spaces around</h1>
+<p>
+  Is this expected behaviour?
+</p>
+
+---
+
+The same with links:
+
+```html
+<!DOCTYPE html>
+<html lang="en">
+  <head>
+    <meta charset="UTF-8" />
+    <meta name="viewport" content="width=device-width, initial-scale=1" />
+    <title>Spaces after a tags</title>
+  </head>
+  <body>
+    <main>
+      <p>
+        <a href="#">
+          With extra underlined space
+        </a>
+      </p>
+      <p>
+        <a href="#">Without extra underlined space</a>
+      </p>
+    </main>
+  </body>
+</html>
+```
+
+The rendered output is:
+
+<p>
+  <a href="#">
+    With extra underlined space
+  </a>
+  after the link.
+</p>
+<p>
+  <a href="#">Without extra underlined space</a>
+  after the link.
+</p>