https://bugs.documentfoundation.org/show_bug.cgi?id=146204
Bug ID: 146204
Summary: Support of `mfrac` attribute `bevelled` in MathML
Product: LibreOffice
Version: 7.2.2.2 release
Hardware: All
OS: All
Status: UNCONFIRMED
Severity: enhancement
Priority: medium
Component: Formula Editor
Assignee: [email protected]
Reporter: [email protected]
Created attachment 176896
--> https://bugs.documentfoundation.org/attachment.cgi?id=176896&action=edit
bevelled.odt
Hello there. I'm writing this issue on behalf of ONLYOFFICE DocumentServer team
(https://github.com/ONLYOFFICE/DocumentServer)
During the development of our product, we think we found some problem with
rendering MathML formula with `mfrac` attribute `bevelled`
See attached document:
It has two objects:
Object 2/content.xml with:
<math xmlns="http://www.w3.org/1998/Math/MathML";>
<semantics>
<mfrac>
<mrow>
<mn>1</mn>
</mrow>
<mrow>
<mn>2</mn>
</mrow>
</mfrac>
</semantics>
</math>
And
Object 3/content.xml with:
<math xmlns="http://www.w3.org/1998/Math/MathML"; display="block">
<semantics>
<mfrac bevelled="true">
<mrow>
<mn>1</mn>
</mrow>
<mrow>
<mn>2</mn>
</mrow>
</mfrac>
</semantics>
</math>
So this formula differs that the first one has no `bevelled` (and this is false
by default) and second one has bevelled="true")
But on render both those formulas looks like the same
According to https://www.w3.org/TR/MathML3/chapter3.html
this attribute used for display formulas like this:
> Specifies whether the fraction should be displayed in a beveled style (the
> numerator slightly raised, the denominator slightly lowered and both
> separated by a slash), rather than "build up" vertically
I don't know if this worked at all in the previous build of LibreOffice, so I'm
marking this as enhancement
My Eniroment:
Kubuntu 20.04
LibreOffice flatpak 7.2.3.2
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