22 - the line container is markdown's, so the seam is the two spelling asks

src/markdown/parse/inline-content.ts

@@ -1,7 +1,7 @@
 import type { AdfMark, AdfNode } from '../../adf/document.ts'
 import type { DirectiveSpan, NestedSpans } from '../directive-syntax.ts'
 import type { EmphasisPairing } from '../commonmark/emphasis-matching.ts'
-import type { LineContainer } from '../emit/line-escaping.ts'
+import type { LineContainer } from '../line-container.ts'
 import type { LinkDefinition } from '../commonmark/link-syntax.ts'
 import { backslashEscape, decodeTextEscapes, inlineHtmlConstruct, readBracketedAutolink, readEmailAutolink, trimTrailingSpace } from '../commonmark/grammar.ts'
 import { backtickRun, closingBacktickRun } from '../commonmark/backtick-runs.ts'

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

@@ -2,7 +2,7 @@ import type { AdfDocument, AdfNode } from '../../adf/document.ts'
 import type { Block, DirectiveBlock } from './blocks.ts'
 import type { BlockDirectiveNode } from './directive-nodes.ts'
 import type { ConvertFault } from '../../result.ts'
-import type { LineContainer } from '../emit/line-escaping.ts'
+import type { LineContainer } from '../line-container.ts'
 import type { LinkDefinitions } from './inline-content.ts'
 import { carryName, readCarriedBlock } from '../opaque-carry.ts'
 import { commonMarkSpelling, type SpellingMemo } from '../emit/adf-to-markdown.ts'