overhaul gpx creation and usage

test/legal-ui.test.js

@@ -42,6 +42,9 @@ test('information button opens scrollable overlay pages for privacy, imprint and
   assert.match(html, /data-info-target="privacy"/);
   assert.match(html, /data-info-target="imprint"/);
   assert.match(html, /data-info-target="technology"/);
+  assert.match(html, /<h3>Technisch verantwortlich<\/h3>\s*<p>Florian Zumpe<br>/);
+  assert.match(html, /\[Anschrift von Florian Zumpe ergänzen\]/);
+  assert.match(html, /\[E-Mail-Adresse von Florian Zumpe ergänzen\]/);
   const storage = await read('public/js/privacy-storage.js');
   assert.match(storage, /wegwichtel\.privacy\.v1/);
   assert.match(storage, /wegwichtel\.route-progress\.v1/);
@@ -193,6 +196,9 @@ test('legal overlay handlers synchronize switches without advancing the start sc
   await loadI18n(context);
   vm.runInNewContext(source, context, { filename: sourcePath });
 
+  elements.get('info-dialog-title').dataset.i18n = 'info.title';
+  context.Wegwichtel.I18n.setLanguage('en');
+
   elements.get('info-button').dispatchEvent(pointerEvent());
   assert.equal(elements.get('info-dropdown').hidden, false);
   assert.equal(elements.get('info-button').attributes.get('aria-expanded'), 'true');
@@ -221,6 +227,12 @@ test('legal overlay handlers synchronize switches without advancing the start sc
   assert.equal(elements.get('info-back').hidden, true);
   assert.equal(privacyPage.hidden, false);
   assert.equal(elements.get('info-dialog-title').textContent, 'Datenschutzerklärung');
+  assert.equal(elements.get('info-dialog-title').attributes.get('lang'), 'de');
+  assert.equal(Object.hasOwn(elements.get('info-dialog-title').dataset, 'i18n'), false);
+
+  targetButtons[1].dispatchEvent(pointerEvent());
+  assert.equal(elements.get('info-dialog-title').textContent, 'Impressum');
+  assert.equal(elements.get('info-dialog-title').attributes.get('lang'), 'de');
 
   progressToggles[0].checked = true;
   progressToggles[0].dispatchEvent(new Event('change'));