Revert fix introduced in d462f04, which is now properly handled thank…

…s to 1101370 (Fixes #59)

__tests__/foldFlowLines.js

@@ -169,6 +169,22 @@ describe('double-quoted', () => {
       expect(doc.contents.items[0].items[0].value.value).toBe(key2)
     })
   })
+
+  describe('eemeli/yaml#59', () => {
+    test('minimal', () => {
+      const str = `"######\\\\P#"`
+      expect(fold(str, '', FOLD_QUOTED, options)).toBe(`"######\\\\\\\nP#"`)
+    })
+
+    test('reported', () => {
+      const value =
+        '>####################################"##########################\'####\\P#'
+      const str = YAML.stringify({ key: [[value]] })
+      const doc = YAML.parseDocument(str)
+      expect(doc.errors).toHaveLength(0)
+      expect(doc.contents.items[0].value.items[0].items[0].value).toBe(value)
+    })
+  })
 })
 
 describe('end-to-end', () => {

src/foldFlowLines.js

@@ -120,13 +120,8 @@ export default function foldFlowLines(
   for (let i = 0; i < folds.length; ++i) {
     const fold = folds[i]
     const end = folds[i + 1] || text.length
-    if (mode === FOLD_QUOTED && escapedFolds[fold]) {
-      const ch = text[fold]
-      res += ch === '\\' ? `\\\n${indent}${ch}` : `${ch}\\\n${indent}`
-    } else {
-      res += `\n${indent}`
-    }
-    res += text.slice(fold + 1, end)
+    if (mode === FOLD_QUOTED && escapedFolds[fold]) res += `${text[fold]}\\`
+    res += `\n${indent}${text.slice(fold + 1, end)}`
   }
   return res
 }