Martin Packer

In [md2pptx](https://github.com/MartinPacker/md2pptx/blob/master/md2pptx) I attach an `AlternateContent` element under the `slide` element. Might help.

Possibly. I'm not authorised by my employer (IBM) yet to contribute to the python-pptx base. Given the (understandably) high barrier to contributing to python-pptx I probably won't pursue that. Also...

Are you saying this works? Or that it doesn't?

I added mine to the `slide.element` in [md2pptx](https://github.com/MartinPacker/md2pptx). If you search for the definition and use of the function `addSlideTransition` in my code you'll see what I mean. However, I...

What does the XML look like?

Not really answering your question but - if you have access to the following - VBA or AppleScript might be better tools for the job. (I've done the latter in...

@rmbg58 what would you do with this information?

I might not be understanding the code but the method `remove` suggests to me you are replacing the whole object. What you replace it with probably has the default font....

As a user (not a python-pptx developer) it strikes me to fix this would be difficult: It would require python-pptx to ingest font metrics for all the fonts and compute...

I've actually coded this as something that can be controlled on a slide-by-slide basis in md2pptx now. Will release soon and push to GitHub sooner.