https://bugs.documentfoundation.org/show_bug.cgi?id=152851
Bug ID: 152851
Summary: Mathml import should work even when no xmlns attribute
is present
Product: LibreOffice
Version: 7.4.3.2 release
Hardware: All
OS: All
Status: UNCONFIRMED
Severity: normal
Priority: medium
Component: Formula Editor
Assignee: [email protected]
Reporter: [email protected]
Description:
In Html5 <math> tags can be found without the attribute
xmlns="http://www.w3.org/1998/Math/MathML";. It would make sense if we could
import such mathml into LO ( At the moment it's not working at all).
Steps to Reproduce:
Go to eg. https://developer.mozilla.org/en-US/docs/Web/MathML/Examples, select
an example (let say Pythagorean Theorem) and using you browser's "inspect"
contextual menu (in Firefox or Chromium/Chrome, at least), select a <math> tag
representing a formula and Copy it. It gives :
<math>
<mrow>
<msup>
<mi>a</mi>
<mn>2</mn>
</msup>
<mo>+</mo>
<msup>
<mi>b</mi>
<mn>2</mn>
</msup>
<mo>=</mo>
<msup>
<mi>c</mi>
<mn>2</mn>
</msup>
</mrow>
</math>
Then in LO formula editor try "Tools-> Import Mathml from clipboard"
Actual Results:
Nothing is pasted. Import from file would not work either.
Expected Results:
The selected tag has no xmlns attribute, yet it is perfectly valid Mathml (in
the context of html5 which is everywhere now) and should pose no problem of
interpretation.
The absence of xmlns attribute in <math> should not prevent import; Requiring
its presence seems an artificial limit, and I see no good reason for it.
Reproducible: Always
User Profile Reset: No
Additional Info:
Version: 7.4.3.2 / LibreOffice Community
Build ID: 40(Build:2)
CPU threads: 4; OS: Linux 6.0; UI render: default; VCL: gtk3
Locale: fr-FR (fr_FR.UTF-8); UI: en-US
Debian package version: 1:7.4.3-2
Calc: threaded
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