Why can't the "line-by-line display" function be achieved after marp is exported to pptx?

[bwPhD]

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Original

为什么marp导出为pptx后无法实现“逐行显示”的功能？

marp可以使用LibreOffice实现导出为可编辑的pptx，那么为什么marp导出为pptx后无法实现“逐行显示”的功能？
目前“逐行显示”只能在html实现。

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Marp can use LibreOffice to export to editable pptx, so why can't marp achieve the "line-by-line display" function after exporting to pptx?
Currently, "line-by-line display" can only be achieved in html.

[yhatt]

Currently Marp does not support converting animations into non HTML slide, such as fragmented list and CSS animations.

In the PowerPoint document, appearing text line-by-line is made by animation. However, we could not find a better solution to apply that in JavaScript library. For example, PptxGenJs, that Marp is using to build PPTX, does not support any animation features.