[tex4ht] [bug #444] Wrong MathML markup for functions?

[Michal Hoftich]

URL:
  <http://puszcza.gnu.org.ua/bugs/?444>

                 Summary: Wrong MathML markup for functions?
                 Project: tex4ht
            Submitted by: michal_h21
            Submitted on: Mon 25 Nov 2019 04:15:54 PM EET
                Category: None
                Priority: 5 - Normal
                Severity: 5 - Normal
                  Status: None
                 Privacy: Public
             Assigned to: None
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any

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Details:

Hi all,

I've browsed the MathML specification and found that TeX4ht generates quite
different output than a recommended for functions, such as $\sin{x}$. 

The specification:


 
 <mi> sin </mi>
 <mo> &#x2061;<!--FUNCTION APPLICATION--> </mo>
 <mi> x </mi>


TeX4ht:


 
<mo class='MathClass-op'>sin</mo><!-- nolimits --><mi>x</mi>


The output of these two is visually different, our version produces larger
space between "sin" and "x". Should we change that? 




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