Re: [libreoffice-accessibility] some issues with screen reader accessibility

Hi,

On 2023-10-07 23:25, Michael Weghorn wrote:
> That sounds plausible. As mentioned in my previous email, I'm planning 
> to take a closer look at this. Since it works with other applications 
> (like Word or Thunderbird) and NVDA is free and open source, too, I'm 
> optimistic that it'll be possible to identify what's missing on either 
> LibreOffice or NVDA side.
> (According to Jason, this already works as expected with Orca on Linux.)

Update on the non-announcement of spelling errors with NVDA:

LibreOffice on Windows currently does not expose spelling errors via 
text attributes, but NVDA uses the red underline for misspelled words to 
detect misspelled words.

LO also doesn't specify the character attributes it currently reports 
according to the IAccessible2 text attribute specification [1], but uses 
its own attribute names and values, which NVDA evaluates in its 
LibreOffice-specific app module [2].

I think the best way forward is to switch to adhere to the IAccessible2 
specification and report the "invalid:spelling" attribute for spelling 
errors.
That also needs a modification in NVDA to longer expect the custom 
attributes.

Once that's implemented, we'll see whether that already makes the 
announcement of misspelled words work as expected or more is needed.

I'm currently working on that, see the following bug report I created 
for more details:
https://bugs.documentfoundation.org/show_bug.cgi?id=157696


Regards,
Michael

[1] 
https://wiki.linuxfoundation.org/accessibility/iaccessible2/textattributes
[2] 
https://github.com/nvaccess/nvda/blob/f1c73d1d25e08c53664eb299fadc81db22c61b13/source/appModules/soffice.py#L35

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