You are looking at the HTML representation of the YAML format.
HTML is good for debugging, but probably is not suitable for your application.
See complete documentation, or API help for more information. 
---
query:
  namespaces:
    -
      id: -2
      case: first-letter
      '*': 媒体
      canonical: Media
    -
      id: -1
      case: first-letter
      '*': 特殊
      canonical: Special
    -
      id: 0
      case: first-letter
      '*':
      content:
    -
      id: 1
      case: first-letter
      '*': 讨论
      subpages:
      canonical: Talk
    -
      id: 2
      case: first-letter
      '*': 用户
      subpages:
      canonical: User
    -
      id: 3
      case: first-letter
      '*': 用户讨论
      subpages:
      canonical: User talk
    -
      id: 4
      case: first-letter
      '*': 美国主机知识库
      canonical: Project
    -
      id: 5
      case: first-letter
      '*': 美国主机知识库讨论
      subpages:
      canonical: Project talk
    -
      id: 6
      case: first-letter
      '*': 文件
      canonical: File
    -
      id: 7
      case: first-letter
      '*': 文件讨论
      subpages:
      canonical: File talk
    -
      id: 8
      case: first-letter
      '*': MediaWiki
      subpages:
      canonical: MediaWiki
    -
      id: 9
      case: first-letter
      '*': MediaWiki讨论
      subpages:
      canonical: MediaWiki talk
    -
      id: 10
      case: first-letter
      '*': 模板
      canonical: Template
    -
      id: 11
      case: first-letter
      '*': 模板讨论
      subpages:
      canonical: Template talk
    -
      id: 12
      case: first-letter
      '*': 帮助
      canonical: Help
    -
      id: 13
      case: first-letter
      '*': 帮助讨论
      subpages:
      canonical: Help talk
    -
      id: 14
      case: first-letter
      '*': 分类
      canonical: Category
    -
      id: 15
      case: first-letter
      '*': 分类讨论
      subpages:
      canonical: Category talk