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stackedit.io is very convenient for polishing long answers before pasting them into a MathSE answer box. Among other things, this avoids MathSE sometimes being slow to render, during the editing. However, basic stackedit.io does not permit the following syntax:

\begin{array}{| r | r | r |}
\hline                       
  N & x & y \\ \hline                       
  3 & 1 & 2 \\ \hline
  4 & 7 & 8 \\ \hline
  5 & 9 & 10 \\ \hline
  \hline  
\end{array}

I briefly google-researched the problem. Apparently, if stackedit is going to work correctly here, I have to find the right markdown plug-in, and somehow use it in conjunction with stackedit.

Has anyone else done this?

If so, which plug-in did you use, and how did you facilitate (in Linux) having https://stackedit.io be aware of the plug-in.

For what it's worth, my kludgy workaround is to (temporarily) copy-paste the relevant portion of the *.md file into a MathSE answer box to verify the formatting.

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    $\begingroup$ Do you know about math.meta.stackexchange.com/questions/4666/… ? $\endgroup$
    – Gerry Myerson
    Commented Jun 28 at 21:31
  • $\begingroup$ @GerryMyerson Thanks for the tip. Yes, I do know about it, and I have often used that sandbox. However, I am currently composing a self-answer question, where the answer will be very long. Stackedit is significantly more convenient than the sandbox, for saving changes as I go. In the sandbox, you have to re-copy the entire answer in order to save changes, while stackedit allows you to directly export markdown. Also, stackedit allows both simultaneous views (markdown + rendered), and toggling between full screen markdown and full screen rendered. $\endgroup$
    – user2661923
    Commented Jun 29 at 1:28

1 Answer 1

Reset to default
5
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Why not simply add double dollars?

$$\begin{array}{| r | r | r |}
\hline                       
  N & x & y \\ \hline                       
  3 & 1 & 2 \\ \hline
  4 & 7 & 8 \\ \hline
  5 & 9 & 10 \\ \hline
  \hline  
\end{array}$$

As far as I can tell, such syntax works both in StackEdit and on Mathematics Stack Exchange.

$$\begin{array}{| r | r | r |} \hline N & x & y \\ \hline 3 & 1 & 2 \\ \hline 4 & 7 & 8 \\ \hline 5 & 9 & 10 \\ \hline \hline \end{array}$$

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    $\begingroup$ +1: Works like a charm, thanks. $\endgroup$
    – user2661923
    Commented Jun 29 at 3:20

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