improve form

Signed-off-by: Daniel Hardman <daniel.hardman@gmail.com>

_layouts/default.html

@@ -31,7 +31,7 @@ <h1><a href="{{ "/" | absolute_url }}">{{ site.title | default: site.github.repo
       </section>
       <footer>
 Content copyrighted with a <a href="https://creativecommons.org/licenses/by/4.0/deed.en">CC BY 4.0 license</a>.
-Code samples are distributed under an [Apache 2 license](https://github.com/dhh1128/canonical-quoted-text/blob/main/LICENSE).
+Code samples are distributed under an <a href="https://github.com/dhh1128/canonical-quoted-text/blob/main/LICENSE">Apache 2 license</a>.
 A version history for each item is maintained in <a href="https://github.com/dhh1128/canonical-quoted-text">GitHub</a>.
 <a href="https://github.com/dhh1128/canonical-quoted-text/issues/new">Reports of errata</a> are welcome.
       </footer>

form.html

@@ -5,7 +5,14 @@
 
         <script src="cqt.js"></script>
         <script type="module">
-          import * as blake3 from 'https://cdn.jsdelivr.net/npm/blake3@latest/dist/blake3.min.js';
+          let blake3;
+
+          // Load the module once
+          (async function() {
+              const blake3Module = await import('https://cdn.jsdelivr.net/npm/blake3@latest/dist/browser.js');
+              blake3 = blake3Module.default;
+          })();
+
           function el(id) {
             return document.getElementById(id);
           }
@@ -28,13 +35,13 @@
             el('blake3').value = hex_hash(blake3);
           }
         </script>
-        <label>Input</label>
+        <label>Input</label><br>
         <textarea id="input" rows="12" cols="80" placeholder="Enter text to canonicalize" maxlength="16384" onchange="reset()"></textarea><br>
         <button onclick="cqt()">Canonicalize</button><br>
-        <label>Output</label>
+        <label>Output</label><br>
         <textarea id="output" rows="12" cols="80" placeholder="Canonicalized text will appear here" readonly></textarea>
-        <label>Blake3 (hex)</label>
+        <label>Blake3 (hex)</label><br>
         <textarea id="blake3" rows="1" cols="80" placeholder="Blake3 hash will appear here" readonly></textarea>
-        <label>SHA256 (hex)</label>
+        <label>SHA256 (hex)</label><br>
         <textarea id="sha256" rows="1" cols="80" placeholder="SHA256 hash will appear here" readonly></textarea>