RWPM with the ability to switch between FXL, normal HTML and IIIF

chapter1.html

<p><a id="page1" href="page1.html" />This is the text of the reflowable view</p>

fixed.json

{
  "links": [
    {
      "rel": "self",
      "href": "fixed.json",
      "type": "application/webpub+json"
    },
    {
      "rel": "alternate",
      "href": "reflowable.json",
      "type": "application/webpub+json",
      "properties": {"layout": "reflowable"}
    },
    {
      "rel": "alternate",
      "href": "fixed.epub",
      "type": "application/epub+zip"
    }
  ],
  "readingOrder": [
    {
      "href": "page1.html",
      "type": "text/html",
      "properties": {"layout": "fixed"},
      "alternate": [
        {
          "href": "chapter1.html#page1",
          "type": "text/html"
        },
        {
          "href": "page1.webp/info.json",
          "type": "application/ld+json;profile=\"http://iiif.io/api/image/3/context.json\""
        }
      ]
    },
    {
      "href": "page2.html",
      "type": "text/html",
      "properties": {"layout": "fixed"},
      "alternate": [
        {
          "href": "chapter1.html#page2",
          "type": "text/html"
        },
        {
          "href": "page2.webp/info.json",
          "type": "application/ld+json;profile=\"http://iiif.io/api/image/3/context.json\""
        }
      ]
    }
  ]
}

reflowable.json

{
  "links": [
    {
      "rel": "self",
      "href": "reflowable.json",
      "type": "application/webpub+json"
    },
    {
      "rel": "alternate",
      "href": "fixed.json",
      "type": "application/webpub+json",
      "properties": {"layout": "fixed"}
    },
    {
      "rel": "alternate",
      "href": "reflowable.epub",
      "type": "application/epub+zip"
    }
  ],
  "readingOrder": [
    {
      "href": "chapter1.html",
      "type": "text/html"
    }
  ]
}