1
- name: preview-links
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  tags:
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    formats: [revealjs]
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  schema:
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    anyOf:
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      - enum: [auto]
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      - boolean
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  default: auto
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  description:
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    short: "Open links in an iframe preview overlay (`true`, `false`, or `auto`)"
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    long: |
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      Open links in an iframe preview overlay.
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      - `true`: Open links in iframe preview overlay
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      - `false`: Do not open links in iframe preview overlay
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      - `auto` (default): Open links in iframe preview overlay, in fullscreen mode.
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- name: auto-play-media
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  tags:
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    formats: [revealjs]
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  schema:
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    enum: [null, true, false]
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  default: null
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  description: |
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    Autoplay embedded media (`null`, `true`, or `false`). Default is `null` (only when `autoplay` 
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    attribute is specified)
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- name: preload-iframes
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  tags:
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    formats: [revealjs]
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  schema:
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    enum: [null, true, false]
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  default: null
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  description:
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    short: "Global override for preloading lazy-loaded iframes (`null`, `true`, or `false`)."
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    long: |
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      Global override for preloading lazy-loaded iframes
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      - `null`:   Iframes with data-src AND data-preload will be loaded when within
40
        the `viewDistance`, iframes with only data-src will be loaded when visible
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      - `true`:   All iframes with data-src will be loaded when within the viewDistance
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      - `false`:  All iframes with data-src will be loaded only when visible
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- name: view-distance
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  tags:
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    formats: [revealjs]
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  schema: number
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  default: 3
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  description: "Number of slides away from the current slide to pre-load resources for"
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- name: mobile-view-distance
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  tags:
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    formats: [revealjs]
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  schema: number
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  default: 2
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  description: |
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    Number of slides away from the current slide to pre-load resources for (on mobile devices).
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- name: parallax-background-image
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  tags:
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    formats: [revealjs]
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  schema: path
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  description: "Parallax background image"
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- name: parallax-background-size
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  tags:
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    formats: [revealjs]
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  schema: string
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  description: "Parallax background size (e.g. '2100px 900px')"
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- name: parallax-background-horizontal
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  tags:
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    formats: [revealjs]
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  schema: number
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  default: 200
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  description: "Number of pixels to move the parallax background horizontally per slide."
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- name: parallax-background-vertical
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  tags:
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    formats: [revealjs]
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  schema: number
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  default: 50
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  description: "Number of pixels to move the parallax background vertically per slide."
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