The chooser's marks are × at the left, tappable once marked

From the development repository at 5252a58.

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>

client/js/chooser.js

@@ -4,8 +4,10 @@
  * notebooks and the pages kept in them, and loads the chosen page.
  *
  * It also deletes (Andy, 2026-10-11): every notebook and every page card
- * carries a mark at its left, a dot that a tap turns into a tick (not a
- * × at the right, which in many interfaces means "delete" itself), and one "Delete"
+ * carries a mark at its left, a × that a tap turns into a tick (at the
+ * left, since a × at the top right means "delete" itself in many
+ * interfaces; a dot was tried and implied a generality that does not
+ * exist), and one "Delete"
  * button in the header, which appears as soon as something is marked,
  * says how much is marked and asks for a second press before anything
  * goes, as the file chooser does for replacing a file; no system dialog.
@@ -44,7 +46,7 @@ function counted(count, noun) {
 }
 
 /**
- * A mark button: a dot until marked, then ✓.
+ * A mark button: × until marked, then ✓.
  * @param {string} help  The tooltip.
  * @returns {HTMLButtonElement}
  */
@@ -52,7 +54,7 @@ function markButton(help) {
   const mark = document.createElement('button');
   mark.type = 'button';
   mark.className = 'mark';
-  mark.textContent = '•';
+  mark.textContent = '×';
   mark.setAttribute('aria-label', 'Mark for deletion');
   mark.setAttribute('aria-pressed', 'false');
   mark.dataset.help = help;
@@ -225,7 +227,7 @@ export class NotebookChooser {
   toggleMark(mark, marked, name) {
     const now = !marked.has(name);
     if (now) marked.add(name); else marked.delete(name);
-    mark.textContent = now ? '✓' : '•';
+    mark.textContent = now ? '✓' : '×';
     mark.setAttribute('aria-pressed', String(now));
     /** @type {HTMLElement} */ (mark.parentElement).classList.toggle('marked', now);
     this.disarm();

client/kokkoja.css

@@ -439,8 +439,8 @@ h2 {
 
 .chooser_notebooks button.notebook_pick { flex: 1; min-width: 0; text-align: left; }
 
-/* Rows and cards carry a mark at their left, a dot, for deletion (a ×
-   at the right would read as "delete" itself, Andy); marked, they dim. */
+/* Rows and cards carry a mark at their left, ×, for deletion (at the
+   right it would read as "delete" itself, Andy); marked, they dim. */
 .notebook_row { display: flex; gap: 0.3rem; align-items: stretch; }
 .notebook_row.marked button.notebook_pick, .page_slot.marked .page_card { opacity: 0.45; }
 .page_slot { position: relative; display: flex; }
@@ -458,6 +458,10 @@ button.mark {
   left: 0.3rem;
   height: 1.6rem;
   background: white;
+  /* Above the card even when the card's opacity makes it a stacking
+     context painted later: without this, the second tap, to unmark,
+     landed on the dimmed card and loaded the page. */
+  z-index: 1;
 }
 button.mark[aria-pressed="true"] { color: #b42318; }
 button.mark.unavailable { opacity: 0.4; }

docs/guest.md

@@ -304,7 +304,7 @@ right of your toolbar:
   your notebooks, with everything that was written on it.  A chooser
   shows your notebooks and small pictures of their kept pages.  The kept
   page itself is not changed: the session works on a copy.  The same
-  chooser deletes pages and notebooks of yours, marked with the dot at
+  chooser deletes pages and notebooks of yours, marked with the × at
   their left and then the **Delete** button, pressed twice; the host's part says
   more.
 * **Hide**, among the tools, hides part of the page for everyone: drag

docs/host.md

@@ -248,7 +248,7 @@ A lesson might go: **New**, **Image** for the exercise, work, **New**
 for a point of grammar, work, **Notebooks** to return to the exercise.
 
 The same chooser deletes.  Every page card and every notebook in the
-list carries a small dot at its left; a tap marks it with a tick, a second tap unmarks it,
+list carries a small × at its left; a tap marks it with a tick, a second tap unmarks it,
 and a marked notebook goes with every page in it.  As soon as something
 is marked, a **Delete** button in the chooser's header says how much:
 "Delete 3 pages?", "Delete 1 notebook and 3 pages?".  The first press

tests/test_end_to_end.py

@@ -2188,6 +2188,15 @@ class EndToEndTest(unittest.TestCase):
         self.assertEqual(firefox.run("""
             return [...document.querySelectorAll('#chooser_pages .page_slot')].map((s) => s.classList.contains('marked'));
         """)[:3], [True, True, False])
+        # A marked card is dimmed, and its mark must still be what a tap
+        # at the mark's place hits, so that the second tap unmarks and
+        # does not load the page (a scripted click would not tell).
+        self.assertEqual(firefox.run("""
+            return [...document.querySelectorAll('#chooser_pages .page_slot')].slice(0, 3).map((slot) => {
+              const r = slot.querySelector('button.mark').getBoundingClientRect();
+              return document.elementFromPoint(r.left + r.width / 2, r.top + r.height / 2).classList.contains('mark');
+            });
+        """), [True, True, True])
         firefox.run("document.getElementById('chooser_delete').click();")
         self.assertEqual(delete(), "Press again to move 2 pages to the Trash")
         # Marking something else takes the first press back.