[Libreoffice-bugs] [Bug 66044] HTML5 export filter with MathML support

[bugzilla-daemon at bugs.documentfoundation.org]

https://bugs.documentfoundation.org/show_bug.cgi?id=66044

stragu <stephane.guillou at member.fsf.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |stephane.guillou at member.fsf
                   |                            |.org
             Blocks|                            |101912

--- Comment #6 from stragu <stephane.guillou at member.fsf.org> ---
Reproduced with:

Version: 7.3.0.0.alpha0+ / LibreOffice Community
Build ID: e3086b58eb5427d520b86c185f9d911bb6f7a3a0
CPU threads: 8; OS: Linux 4.15; UI render: default; VCL: gtk3
Locale: en-AU (en_AU.UTF-8); UI: en-US
TinderBox: Linux-rpm_deb-x86_64 at 86-TDF, Branch:master, Time:
2021-06-21_15:37:11
Calc: threaded

Save as > HTML exports the formula as a .gif
(whereas XHTML export uses MathML)

Adding Accessibility meta as exporting a formula as an image rather than a
MathML makes it unavailable to screen readers, and the style cannot be modified
for improved readability:

"MathML is important for accessibility and web standards because it allows
equations to be stored as structured text. It can be reformatted with CSS,
expanded with good resolution for low-vision users. Most importantly, is that
if a screen reader can process MathML, a blind users can navigate and review
parts of an equation, such as the top portion of a complex fraction."

Source: https://accessibility.psu.edu/math/mathml/


Referenced Bugs:

https://bugs.documentfoundation.org/show_bug.cgi?id=101912
[Bug 101912] [META] Accessibility (a11y) bugs and enhancements
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