Answer architecture round 5: name the alert and callout markers by their spelling, and item 56 its functions

docs/decisions.md

@@ -217,12 +217,12 @@ reads as that image, with the link marking its `media`. Inside any other link, t
 text the link marks, and the image's URL and title drop: the panel chose this by Goal 6, which
 outranks Goal 7.
 
-In `portableMarkdownToAdf`, an alert's or unfolded callout's marker line stands apart from the lines
-after it, and so do those after a folded callout's title line, so an image alone on either reads as
-the image: a reader panel of the bot, the LLM pipeline and a support agent, 3 of 3 on 2026-10-09,
-expected the picture in every case, a ticked task included.
-A task item holds no image in Atlassian's schema, so the paragraph a task marker opens reads its
-image as linked alt text, the fallback two of the three named.
+In `portableMarkdownToAdf`, a `[!WORD]` marker with no `+` or `-` stands apart from the lines after
+it, and so does a `+` or `-` callout's title line, so an image alone on the marker line or after the
+title reads as the image: a reader panel of the bot, the LLM pipeline and a support agent, 3 of 3
+on 2026-10-09, expected the picture in every case, a ticked task included. A task item holds no
+image in Atlassian's schema, so the paragraph a task marker opens reads its image as linked alt
+text, the fallback two of the three named.
 
 The same panel confirmed the other readings on 2026-10-09: a title as the caption, an image amid
 text as linked alt text, and an empty link text as its URL, each 3 of 3; `[]()` as nothing, 5 of 7.

spec/flavour.md

@@ -323,10 +323,11 @@ directive form instead.
 `mediaInline` carries a media `collection` + `id`, never a URL, so anywhere else an image reads as
 its alt text linked to its destination, the link titled by the image's title: beside other
 content, in a heading, a table cell or an `!adf:paragraph`, and in the paragraph a portable task
-marker opens. An alert's or unfolded callout's marker line stands apart from the lines after it, and
-so do those after a folded callout's title line, so an image alone on either reads as the image. An empty alt text reads as the destination, as an empty link text
-does. Inside a link's text, the alt text is plain text the link marks, and the image's destination
-and title drop (`docs/decisions.md` §An image reads as an image only alone in its paragraph).
+marker opens. A `[!WORD]` marker with no `+` or `-` stands apart from the lines after it, and so
+does a `+` or `-` callout's title line, so an image alone on the marker line or after the title
+reads as the image. An empty alt text reads as the destination, as an empty link text does. Inside
+a link's text, the alt text is plain text the link marks, and the image's destination and title
+drop (`docs/decisions.md` §An image reads as an image only alone in its paragraph).
 
 ### Tables
 

src/markdown/parse/markdown-to-adf.ts

@@ -151,7 +151,7 @@ function markerLine(text: string): { line: string; rest: string } {
   return { line: (hardBreak ? line.slice(0, -1) : line).replace(/^[ \t]+/, ''), rest: lineEnd === -1 ? '' : text.slice(lineEnd + 1) }
 }
 
-// docs/decisions.md, An image reads as an image only alone in its paragraph: an alert's marker line stands apart from the lines after it.
+// docs/decisions.md, An image reads as an image only alone in its paragraph: a marker or title line stands apart from the lines after it.
 function paragraphsOf(position: SourcePosition, ...texts: string[]): Paragraph[] {
   return texts.filter((text) => text !== '').map((text) => ({ kind: 'paragraph', position, text }))
 }

todo.md

@@ -333,8 +333,9 @@ functions write `pending`, `pieces`, `deactivatedBefore` and `openingSpellableLi
 `takeFallback` (`emit/inline-line.ts`), which writes the record the next `lineSegments` pass reads;
 `writeUnpaired`, `markPairings` and `markHighlights` (`inline-content.ts`), whose order changes the
 output; and `nestIn` (`portable/adf-to-portable-markdown.ts`), which pushes into its caller's array.
-Once `Scan`'s pieces have owners, the bracket resolution, `linkedAlt` through `altText` with
-`holdsLink`, can leave `inline-content.ts` (about 690 lines) for a module of its own.
+Once `Scan`'s pieces have owners, the bracket resolution — `linkedAlt` through `linkTo`,
+`holdsLink`, and `closeBracket` through `altText` — can leave `inline-content.ts` (about 690 lines)
+for a module of its own.
 
 ### 76. State the files the package does not ship once, so the build, the lint ceiling and the coverage exclusions cannot drift apart.