Sorry , I made a mistake.
*<m:degHide m:val="1" /> leads the correct root sign*
*and*
*<m:degHide m:val="on" /> leads a blank square on the left of root sign.*
在2023年9月11日星期一 UTC+8 20:22:08<Yibotg> 写道：

> Hello, John. I opened the slides/slide1.xml in example.pptx to see what is 
> the difference between \sqrt{x} and \sqrt[\square]{x}. There is the 
> diffence:
> <m:oMath xmlns:m="
> http://schemas.openxmlformats.org/officeDocument/2006/math">
> <m:rad>
>         <m:radPr>
>                 *<m:degHide m:val="1" />*
>                         *<m:degHide m:val="on" />*
>                 </m:radPr>
>                 <m:deg />
>                 <m:e>
>                         <m:r>
>                                 <m:t>x</m:t>
>                         </m:r>
>                 </m:e>
>       </m:rad>
> </m:oMath>
> the red one leads "a blank square on the left of root sign"，the blue one 
> leads the correct root sign.
> I think the val 1 not = val on in the pptx.
> however the xml in sample.docx converted by pandoc is the blue one . 
> 在2022年7月1日星期五 UTC+8 18:15:09<John MacFarlane> 写道：
>
>>
>> Looks like the pptx writer tries to render math in native 
>> Word format, using texmath to convert just like the docx 
>> writer. I'm not really sure why there would be a difference 
>> in how the same equation appears. 
>>
>> Sukil Etxenike arizaleta <suki...-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> writes: 
>>
>> > Hi, 
>> > 
>> > I don't know. It may not be rendering math the same way, although both 
>> > are Office products. A note, also, the docs don't say how math is 
>> > rendered in Power Point. They say that it's rendered in all formats, 
>> but 
>> > powerpoint is missing from that list. I've consulted the release notes 
>> > too, and there doesn't appear any mention of Math in Powerpoint apart 
>> > from the fact that it is passed verbatim now in speaker notes. 
>> > 
>> > Thanks, 
>> > 
>> > Sukil 
>> > 
>> > 
>> > El 01/07/2022 a las 10:42, Yibotg escribió: 
>> >> Hi, I used pandoc 2.18 to convert markdown to docx and pptx. 
>> >> 
>> >> $\sqrt{x}$ in md was convert two different equations in docx and pptx: 
>> >> 
>> >> the docx was OK,but the pptx had a blank square on the left of root 
>> sign. 
>> >> 
>> >> How can I get the docx equation in pptx? 
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>>
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