math formulars rendered not correctly

  • Anonymous - 2014-07-18

    In the matrix item with simple English wiki there are "&"s between columns.
    Why? how to remove the "&" and make matrices rendered correctly?

  • gnosygnu

    gnosygnu - 2014-07-20

    Hi! Thanks for the report!

    Could you specify the page where you're seeing the "&"'s? Per your "matrix item", I tried It looks fine on my machine (see the attached screenshot). I'm guessing you mean somewhere else, but I don't know where.

  • gnosygnu

    gnosygnu - 2014-07-20

    Ughh... Never mind. I saw the error just after I posted.

    This should be fixed for v1.7.3. More details are below.

    I usually like to credit users for finding defects. Let me know if you want to be credited: you'd get a line in the XOWA change log like "Math:Do not escape ampersand {detected by your_nickname}"

    Otherwise, thanks again!

    The source for the matrix is as follows:

    1 & 2 & 3 \\
    1 & 2 & 7 \\
    4 & 9 & 2 \\
    6 & 1 & 5 \end{bmatrix}</math>

    The problem is that XOWA escapes "&" to "\&". This forces the & to appear.

    I changed this behavior for back in May for I'm going to remove the escaping logic for the plain ampersand. I don't use LaTeX, and I didn't realize that & was a formatting symbol.

  • Anonymous - 2014-07-20

    screenshot from
    see the difference.

  • gnosygnu

    gnosygnu - 2014-07-20

    Thanks for the screenshot, and sorry for the confusion. I should have struck out my earlier comment.

    This is a defect in XOWA, and is fixed for tonight's build. Thanks for reporting it.



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