On Tue, 2024-05-28 at 17:38 +0200, Wolfgang Schuster wrote:
> Add
> 
>      framecolor=colour_text,
> 
> to the frame settings.

Thanks Wolfgang. That does work.

But another problem I've found is the font and circle are not
automatically resized when used in a formula:

   \definecolor[colour_text][r=0.754,g=0.516,b=0.324] % RGB 0xc08453
   
   \setupcolors[
       state=start,
       textcolor=colour_text,
       pagecolormodel=rgb] % gray rgb cmyk auto none
   
   % Commands for MetaPost interpreter to draw a circle...
   \startuseMPgraphic{textcircle}
        draw fullcircle
            xscaled OverlayWidth
            yscaled OverlayWidth
            withcolor OverlayLineColor;
   \stopuseMPgraphic
   
   % Define an overlay using the above image...
   \defineoverlay[textcircle][\useMPgraphic{textcircle}]
   
   % Define a frame we can use via \textcircled{X} that uses as its
   background
   %  the above overlay...
   \defineframed
      [textcircled]
      [width=1.4em,
       height=1.4em,
       frame=off,
       background=textcircle,
       framecolor=colour_text,
       location=low,
       offset=none]
   
   \starttext
   Here are the numbers \textcircled{1}, \textcircled{2}, and
   \textcircled{3}.
   
   And when used in formula, \math{\Sigma_{i^b x_{\textcircled{3}}^i}}
   \stoptext

What I was hoping would happen there was the circled 3 in the formula
would shrink to look like a subscript for the x variable. Any help
appreciated.

-- 
Kip Warner
OpenPGP signed/encrypted mail preferred
https://www.thevertigo.com

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