1%YAML 1.1
2---
3!!seq [
4  !!str "double quoted",
5  !!str "single quoted",
6  !!str "plain text",
7  !!seq [
8    !!str "nested",
9  ],
10  !!map {
11    ? !!str "single"
12    : !!str "pair"
13  }
14]
15