[NTG-context] Re: (off-topic) hovering over links in Acrobat Reader

[Ulrike Fischer <news3@nililand.de>]

Am Thu, 20 Jun 2024 17:33:56 +0200 schrieb Pablo Rodriguez via
ntg-context:

> \setuptagging[state=start] is the culprit. "link" is the word displayed
> when links are hovered over.

well it would imho be better not to use that at all. Sorry but what
context is doing here is cheating. It claims to add a structure (and
probably manage to pass automated tests) but all StructElem with the
exception of links are role mapped to NonStruct and so are non
functional. Links miss the OBJR reference. Annotations only all have
as /Content a generic text (link) (which creates your hover effect).  

When I let Adobe+NVDA read a PDF tagged with LaTeX it recognize and
announces structures:

heading    level 2  A section
text
table  with 2 rows and 2 columns  
row 1  column 1  header A
       column 2  header B
row 2  header A  column 1  data A
       header B  column 2  data B
out of table
link    https://www.example.com

I can navigate from one heading to the next and inside tables (and
when I hover a link the pop up is correct as we are setting the
right Contents value.)

If you do the same with a document tagged with context you only get
a large blob of text

A section textHeader AHeader B data Adata B
https://contextgarden.net

and no navigation at all. All the tagging in the file is useless, it
even actually harms because it makes user believe they get an
accessible PDF. 

Tagged, accessible PDF has a lot of shortcomings, especially when it
comes to complex documents and math, but for standard documents it
can do much better then what context is making out of it. 

 
-- 
Ulrike Fischer 
http://www.troubleshooting-tex.de/

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