On 12/6/2019 9:24 AM, TeXnician wrote:

Dear list,

while doing some math typesetting, I have found the following features not working in LMTX:

1. Non-displaystyle operators are simply not shown (try \sum or \lim in text or scriptstyle). This works in MkIV (and iirc in LMTX versions from before november).

fixed in next beta (relates to some new stuff in the engine related to some border case but often happening math spacing)

2. \underbrace{x}_{y} stopped working. It produces an underbrace but the subscript is not centered below the brace. It will show up as right subscript. This works in MkIV.

idem

3. \startformulas does not allow numbering formulas because the number will run into the next column. I have posted this at

https://tex.stackexchange.com/questions/518262/context-number-formulas-side-... and Henri Menke tested that it broke in 2017. Aditya Mahajan mentioned that it is a bug.

This one is for Aditya who knows more about these math alignments (needs) than I do. Aditya: when we comment the \aligntab it's ok but i'm hesitant to do that patch ... so do you see bad consequences? \def\math_alignment_NR_indeed[#1][#2]% {%\aligntab % HERE \dostoptagged % finish cell \strc_formulas_place_number_nested{#1}{#2}% \math_number_right_of_eqalign \global\settrue\c_math_eqalign_first \crcr \dostoptagged} % finish row

For the upper two cases: Is anything wrong with my LMTX installation or did I miss some upgrade instructions for math in LMTX? will be fixed

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