Gather the plain flavour's code in markdown/plain/

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 { Flavour } from '../plain-conventions.ts'
+import type { Flavour } from '../plain/conventions.ts'
 import type { LineContainer } from '../line-container.ts'
 import type { LinkDefinitions } from './inline-content.ts'
 import { carryFenceType, readCarriedBlock } from '../opaque-carry.ts'
@@ -10,11 +10,11 @@ import { commonMarkSpelling, type SpellingMemo } from '../emit/adf-to-markdown.t
 import { documentAttribute, documentName, documentSpelling, listBreakName, listBreakSpelling } from '../block-directive.ts'
 import { emptyKeys, nodeAttrs, nodeContent } from '../../adf/document.ts'
 import { failure, faulted, positioned, success, type ConvertErrorPath, type ParseError, type Result, type SourcePosition } from '../../result.ts'
-import { inlineLeaves } from '../emit/plain-inline.ts'
+import { inlineLeaves } from '../plain/inline-reduction.ts'
 import { languageSlot } from '../code-language.ts'
 import { largestNesting } from '../../nesting.ts'
-import { leadingMarker, readAlertMarker, readTaskMarker } from '../plain-conventions.ts'
-import { mintTaskIds } from './task-ids.ts'
+import { leadingMarker, readAlertMarker, readTaskMarker } from '../plain/conventions.ts'
+import { mintTaskIds } from '../plain/task-ids.ts'
 import { parseBlocks } from './blocks.ts'
 import { parseInlineContent } from './inline-content.ts'
 import { readBlockDirectiveNode } from './directive-nodes.ts'