在哪里可以找到可以在XSL FO中找到可以访问文档的所有值？
我正在尝试创建一个可访问的文档并有一系列要求。我不知道如何将某些角色应用于文本块（标题，公式等 - 我在单击结构树时看到Adobe DC中的类型，然后右键单击一个元素。）现在，我只知道如何添加这些类型：段落，标题，工件，lbody，li，lbl，part 。
角色属性我正在谈论： https://wwww.w.org/tr/xsl11/ ＃role
我发现的唯一有用的信息是在此链接上： https：// /xmlgraphics.apache.org/fop/2.7/accessibility.html 定制标记
谢谢。
I am trying to create an accessible document and have a list of requirements. There are some roles that I do not know how to apply to a block of text (caption, formula, etc - I saw the types in Adobe DC when clicking the structure tree and right clicking on an element.) Right now I only know how to add these types: paragraph, headings, artifact, Lbody, Li, lbl, part.
Role attribute I am talking about: https://www.w3.org/TR/xsl11/#role
The only useful information I found is on this link:https://xmlgraphics.apache.org/fop/2.7/accessibility.html under Customized Tagging
Thanks.
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标准标签在PDF规范中定义。请参阅 https://www.pdfa.org/resource/iso-32000-1-pdf-1-7/
ISO 14289（pdf/ua）定义可访问的PDF的功能。参见 https://www.pdfa.pdfa.org/resourg/resource/iso-14289-pdfua/
MatterHorn协议定义了PDF文档无法符合ISO 14289的方式的清单。请参见 https://www.pdfa.org/resource/the-matterhorn-protocol/
PAC 2021来自pdf/ua Foundation（ https://pdfua.foundation/en ）是一个免费的（Windows-inly）工具，可检查PDF文件的PDF/UA符合性。它可以从MatterHorn协议中进行“机器”检查，并试图检查一些Matterhorn协议检查，这些检查被定义为由人类完成的，并具有不同的成功。我没有太多使用此版本，但是以前的PAC版本有有关处理红宝石标签的错误。
AH Formatter具有FOS到PDF标签的默认映射。
axf：pdftag扩展属性可以覆盖默认值。为了获得更好的可访问性，您还需要做诸如为图形提供替代文本，使用xml：lang或语言来指示语言等。请参阅 https://www.antenna.antenna.co.jp/ahf/ahf/help/help/en en /AHF-pdf.html#taggedpdfThe standard tags are defined in the PDF specifications. See the links to the PDF 1.7 spec and the near-equivalent ISO 32000-1 specification at https://www.pdfa.org/resource/iso-32000-1-pdf-1-7/
ISO 14289 (PDF/UA) defines features of accessible PDF beyond just adding tags. See https://www.pdfa.org/resource/iso-14289-pdfua/
The Matterhorn Protocol defines a checklist of ways that a PDF document can fail to conform to ISO 14289. See https://www.pdfa.org/resource/the-matterhorn-protocol/
PAC 2021 from the PDF/UA Foundation (https://pdfua.foundation/en) is a free (Windows-only) tool that checks PDF/UA conformance of a PDF file. It does the 'machine' checks from the Matterhorn Protocol and also tries to check some of the Matterhorn Protocol checks that are defined for being done by a human, with varying success. I haven't used this version much, but previous PAC versions had bugs about handling Ruby tags.
AH Formatter has a default mapping of FOs to PDF tags. The
axf:pdftagextension property can override the defaults. For better accessibility, you also need to do things like provide alternate text for graphics, usexml:langorlanguageto indicate the language, etc. See https://www.antenna.co.jp/AHF/help/en/ahf-pdf.html#taggedpdf