Mathematical Typesetting: subscript font size does not change when changing font size

[ZiweiXU]

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Describe the bug The title explains itself. The font size of mathematical equation does not change with other parts when font size is changed.

To Reproduce Steps to reproduce the behavior:

1. Create an empty diagram
2. Double click anywhere in the diagram, insert a text box.
3. In the text box, type "$$x_1$$".
4. Choose the text box, at Format Panel open "Text" tab, choose a font size, say 10 pt.
5. Change font size to, say, 5 pt.

Expected behavior The size of subscript "1" should change with character "x", from 10 pt to 5 pt.

Screenshots

draw.io version (In the Help->About menu of the draw.io editor):

• diagrams.net 18.0.1

Desktop (please complete the following information):

• OS: macOS 12.4

Additional context N/A

[mararad]

Reproduced in 18.0.1 Win 10 Pro The same behaviour in online also (Chrome Inc and FF)

[lmillefiori]

Same issue online with 20.0.1 Win 10 Enterprise, both Chrome and FF. Was able to partially overcome it (tested with Chrome only) with this workaround.

[XinzeZhang]

Same issue with Win 11 Edge.