Display math markup

[Sean Fitzpatrick]

My understanding of the updated syntax for display math markup is that what used to be <me> is now <md>.

I have an inline exercise (structured by task) with the following introduction:

    <introduction>
      <p>
        We know that the geometric series expansion
        <md>
          f(x)=\frac{1}{1-x} = \sum_{n=0}^\infty x^n
        </md>
        is valid for <m>\abs{x}\lt 1</m>. We also know that we can integrate and differentiate a power series term-by-term.
      </p>

      <p>
        Use these observations, and <xref ref="thm_series_alg"/>, to answer the following.
      </p>
    </introduction>

The display math is missing in HTML with the latest version of the pretext CLI.

Do I still need an <mrow> when there is only one equation?

[Oscar Levin]

You should not need an mrow.  I suppose it is possible that there is a bug with this in the particular case you have...

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[Sean Fitzpatrick]

Here is the HTML generated for that bit of PreTeXt. (No live example since I didn't want to publish buggy HTML.)

<div class="para">We know that the geometric series expansion</div> <div class="displaymath process-math" id="APEX-PROTEUS-taylor-series-1-v1-2-1-1"> \begin{gather*} \end{gather*} </div> <div class="para">is valid for <span class="process-math">\(\abs{x}\lt 1\text{.}\)</span> We also know that we can integrate and differentiate a power series term-by-term.</div>

If I use <me> instead of <md>, the HTML that is generated uses the same div class, but inside the div uses \begin{equation*} instead of \begin{gather*}, and of course there is content.

[Rob Beezer]

Your source looks good.

I pasted it over an existing #introduction in the sample article and series
expansion rendered in HTML just fine with very latest of pretext/pretext
script. (Except it doesn't know your \abs macro.)

So I am stumped. Put it into the minimal article? You could add an #mrow just
for kicks, but as Oscar notes, it should not be necessary.

Are you *sure* you have the latest CLI? No output would be the expectation for
an #md with no #mrow in the olden times.

Rob

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[Sean Fitzpatrick]

pretext --version is returning 2.39.0.

I did a pip install pretext --upgrade just before building.

Just in case, I uninstalled and reinstalled pretext, and got the same version.

(The pretext upgrade command doesn't work on Windows. It mostly breaks a lot of things.)

[Chrissy Safranski]

It rendered in PreTeXt.plus just fine.  Using Chrome on windows.

https://pretext.plus/projects/f7314679-83a7-46c3-8403-67ff4630b4ce/share/source

[Sean Fitzpatrick]

Weird. I don't have a pretext plus but I'll try building on Linux. CLI is the latest but it seems to be using old xsl somehow. 

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[Oscar Levin]

You could try deleting the .ptx folder in your home directory.  That would force an update to the xsl.

Unless you are using custom xsl??

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[Sean Fitzpatrick]

I deleted the .ptx folder (and cleaned up some other cruft) and now it's working. 

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