[NTG-context] Bar within math (amended)

[Wolfgang Schuster]

Lukas/ConTeXt schrieb am 09.06.2020 um 20:28:
> Hello,
> 
> it seems that bar (even with option 'continue=yes') is not rendered in place of '~' within math. See the sample:
> 
> ----
> \definebar[MyBar][color=green,rulethickness=2.8,order=background,offset=1.5,continue=yes]
> 
> \starttext
>    1 + 2 = \startbar[MyBar]3~kN\stopbar % OK
> 
>    $1 + 2 = \startbar[MyBar]3~\text{kN}\stopbar$ % No background behind space
> 
>    $1 + 2 = \inframed[frame=off,background=color,backgroundcolor=green,offset=0pt,]{3~\text{kN}}$ % OK!
> \stoptext
> ----
> 
> In the sample 'kN' is a unit, which should be separated by space from the result (here: 3);
> I am used to put the unit into the math environment and enclose it into \text{...}.
> 
> Is there a way to make the bar be rendered in places of blanks within math, too (like if it was inside $ ... $ - as the first line of the sample)?
> 
> - Note that I can use \inframed to get background filled fully, but anyway - how about usage of "bar" for this?

Use a textbackground to highlight parts of your text.

\definetextbackground
   [Highlight]
   [frame=off,
    background=color,
    backgroundcolor=yellow]

\starttext

\m{1 + 2 = \unit{3 kilo newton}}

\m{1 + 2 = \Highlight{\unit{3 kilo newton}}}

\stoptext

Wolfgang