You are looking at the HTML representation of the mFormat?> format.
HTML is good for debugging, but probably is not suitable for your application.
Please see "format" parameter documentation at the API help for more information.
---
query: 
  namespaces: 
    - 
      id: -2
      *: Media
    - 
      id: -1
      *: Special
    - 
      id: 0
      *: 
    - 
      id: 1
      *: Talk
    - 
      id: 2
      *: User
    - 
      id: 3
      *: User talk
    - 
      id: 4
      *: CaseWiki
    - 
      id: 5
      *: CaseWiki talk
    - 
      id: 6
      *: Image
    - 
      id: 7
      *: Image talk
    - 
      id: 8
      *: MediaWiki
    - 
      id: 9
      *: MediaWiki talk
    - 
      id: 10
      *: Template
    - 
      id: 11
      *: Template talk
    - 
      id: 12
      *: Help
    - 
      id: 13
      *: Help talk
    - 
      id: 14
      *: Category
    - 
      id: 15
      *: Category talk
    - 
      id: 100
      *: Metadata
    - 
      id: 101
      *: Metadata Talk
    - 
      id: 102
      *: Graphviz
    - 
      id: 103
      *: Graphviz Talk
    - 
      id: 106
      *: Event
    - 
      id: 107
      *: Event Talk
    - 
      id: 108
      *: Course
    - 
      id: 109
      *: Course Talk
    - 
      id: 200
      *: Relation
    - 
      id: 201
      *: Relation talk
    - 
      id: 202
      *: Attribute
    - 
      id: 203
      *: Attribute talk
    - 
      id: 204
      *: Type
    - 
      id: 205
      *: Type talk