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epub-object-ts started to support a11y metadata

From: Xu Zheng (gardenia) <zxu@gardenia-corp.com>
Date: Thu, 19 May 2022 14:33:14 -0400
Message-ID: <b33b74c9-79a3-1c9a-a727-90a97003fa95@gardenia-corp.com>
To: W3C Publishing Community Group <public-publishingcg@w3.org>, W3C EPUB 3 Community Group <public-epub3@w3.org>
It was quite interesting when I was reading new a11y 1.1 spec and was 
wondering how to deal with accessibilitySummary this morning then it was 
discussed in the sub-taskforce meeting next hour.


the new epub-object-ts 0.0.34 
(https://github.com/wysebee/epub-object-ts) started to expose a11y metadata.

Here is one output when I tried the accessible_epub_3 from idpf sample 
book repository

```

from inside examples/node folder

$ yarn load -f epub3-samples/30/accessible_epub_3.epub -o a11y

loading file ../../../candidates/epub3-samples/30/accessible_epub_3.epub
a11y information {
   accessMode: [ 'textual', 'visual' ],
   accessibilityFeature: [ 'tableOfContents', 'readingOrder', 
'alternativeText' ],
   accessibilityHazard: [ 'none' ],
   accessibilitySummary: [
     'This EPUB Publication meets the requirements of the EPUB 
Accessibility specification with conformance to WCAG 2.0 Level AA. The 
publication is screen reader friendly.'
   ],
   accessModeSufficient: [ 'textual,visual', 'textual' ],
   wcagLevel: 'aa'
}

```


Cheers,

-- 
Zheng Xu

Chief Executive Officer
Gardenia Corp
https://gardenia-corp.com/
Received on Thursday, 19 May 2022 18:33:28 UTC

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