Answer architecture round 1: the node table says a hard break takes no marks, and a link text of hard breaks alone reads as its destination

docs/decisions.md

@@ -205,14 +205,15 @@ where its reference implementation nests one `<a>` in another.
 ## An image reads as an image only alone in its paragraph, else as its alt text linked; an empty link text reads as its destination
 
 2026-10-04, the maintainer and a writer panel, 3 of 3; `[]()` 2026-10-09, by Goals 4 and 7, as the
-maintainer's plan item asked. Goals 4, 5, 6 and 7. Valid while `mediaInline` carries no URL and ADF
+maintainer's plan item asked; a link text of hard breaks alone 2026-10-09, by Goal 7. Goals 4, 5, 6 and 7. Valid while `mediaInline` carries no URL and ADF
 holds no empty text node.
 
 Every reader reads every CommonMark image and empty link, as `spec/flavour.md` §The CommonMark
 image and §Marks spell out. An image alone in its paragraph reads as the image, its title as the caption.
 Anywhere else it reads as its alt text linked to its URL, titled by its title. An empty alt text
-reads as the URL, and an empty link text as its destination. `[]()` reads as nothing: it renders
-nothing, so Goal 7 loses no content. A link alone in its paragraph whose whole text is one image
+reads as the URL, and an empty link text as its destination; so does a link text holding only hard
+breaks, which take no marks. `[]()` reads as nothing: it renders nothing, so Goal 7 loses no
+content. A link alone in its paragraph whose whole text is one image
 reads as that image, with the link marking its `media`. Inside any other link, the alt text is plain
 text the link marks, and the image's URL and title drop: the panel chose this by Goal 6, which
 outranks Goal 7.