Adobe Acrobat XI Manuale Utente Pagina 452

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445
Accessibility, tags, and reflow
Last updated 1/14/2015
Appropriate nesting
This rule checks nested headings. When this check fails, headings are not nested properly.
To fix the list structure:
1 Find the list in the Accessibility Checker panel by right-clicking (Windows) or Ctrl-clicking (Mac OS) the failed
element and choosing Show in Tags Panel.
2 Create elements, change the types of elements, or rearrange existing elements by dragging them.
Note: See the related WCAG section: 2.4.6 Headings and Labels. (Level AA). The order of headings is not required under
WCAG, and is only an advisory technique.
WCAG mapping to PDF/UA
WCAG 2.0 ISO 14289 -1 (File) Techniques
1.1.1 Non-text Content. (A)
7.3 addresses content requiring text
alteration.
7.18.1 paragraph four addresses control
descriptions.
7.18.6.2 addresses time-based media
alternatives. Test, Sensory, and CAPTCHA
use-cases are addressed via the technical
means used.
7.1 paragraph 1, sentence 2 addresses
decoration.
PDF1
PDF4
1.2.1 Audio- only and Video- only
(Prerecorded). (A)
7.18.6.2 addresses time-based media
alternatives. Design-specific. It's necessary
that authors and developers consider this
provision and ensure conformance.
General Techniques:
http://www.w3.org/WAI/WCAG20/quickref
/#qr-media-equiv-av-only-alt
1.2.2 Captions (Prerecorded). (A)
7.18.6.2 addresses time-based media
alternatives. Design-specific. It's necessary
that authors and developers consider this
provision and ensure conformance.
General Techniques:
http://www.w3.org/WAI/WCAG20/quickref
/#qr-media-equiv-captions
1.2.3 Audio Description or Media Alternative
(Prerecorded). (A)
7.18.6.2 addresses time-based media
alternatives. Design-specific. It's necessary
that authors and developers consider this
provision and ensure conformance.
General Techniques:
http://www.w3.org/WAI/WCAG20/quickref
/#qr-media-equiv-audio-desc
1.2.4 Captions (Live). (AA)
Design-specific. It's necessary that authors
and developers consider this provision and
ensure conformance.
General Techniques:
http://www.w3.org/WAI/WCAG20/quickref
/#qr-media-equiv-real-time-captions
1.2.5 Audio Description (Prerecorded). (AA)
7.18.6.2 addresses time-based media
alternatives. Design-specific. It's necessary
that authors and developers consider this
provision and ensure conformance.
General Techniques:
http://www.w3.org/WAI/WCAG20/quickref
/#qr-media-equiv-audio-desc-only
1.2.6 Sign Language (Prerecorded). (AAA)
Design-specific. It's necessary that authors
and developers consider this provision and
ensure conformance.
1.2.7 Extended Audio Description
(Prerecorded). (AAA)
Design-specific. It's necessary that authors
and developers consider this provision and
ensure conformance
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Commenti su questo manuale

avenue 06 Jan 2024 | 14:21:41

Very advise you to visit a site that has a lot of information on the topic interests you.

novo pet 10 Jan 2024 | 15:26:21

Also what in that case to do?