On 8/29/2017 4:24 PM, Otared Kavian wrote:
Thanks Aditya,

Indeed the solution is already there in luatex-math.tex…
one can just use $\mathring{A}$ out of the box!

I see why I love ConTeXt :-)
I checked one of the stacker sub-mechanisms and fixed / extended something:

\starttext

\definemathstackers[symbol][voffset=-.30\mathexheight,hoffset=\zeropoint,color=red]

\definemathover[symbol][interiorset]["2217]

\startformula
    \mathover  [symbol]{"2217}       {A}
    \mathover  [symbol]{"2218}       {A}
    \mathover  [symbol]{"2219}       {A}
    \mathunder [symbol]       {"2217}{A}
    \mathunder [symbol]       {"2218}{A}
    \mathunder [symbol]       {"2219}{A}

    \mathdouble[symbol]{"2217}{"2217}{A}
    \mathdouble[symbol]{"2218}{"2218}{A}
    \mathdouble[symbol]{"2219}{"2219}{A}

    \mathring{A}
    \interiorset{A}^{\interiorset{A}^{\interiorset{A}}}
\stopformula

\stoptext

Maybe it comes in handy for weird cases.

(not yet uploaded)

Hans

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