Hi Hans,

Thank you for the hint: indeed 
	\setupmathematics[collapsing=2]
does exactly what I was looking for… 

Now, like many others, I am just waiting for the 3145 pages document about maths in ConTeXt :-)

Best regards: Otared


> On 26 Jan 2023, at 23:23, Hans Hagen via ntg-context <ntg-context@ntg.nl> wrote:
> 
> On 1/26/2023 10:52 PM, Otared Kavian via ntg-context wrote:
> 
>> Indeed the command \colonequals give the precise expected alignment for the combination glyph « := ». Befors changing the combination « := » to \columnequals in my documents, I am wondering whether one could add a small lua code in order to make an automatic replacement at run time. Actually, since I don’t know of any other instance in which the combination « := » is used to mean something else, would it not be reasonnable to make « := » synonym to \colonequals?
> 
> that's what the (has-always-been-there)
> 
> \setupmathematics[collapsing=2]
> 
> is for (needs latest version to work when the space trickery i senabled)
> 
> Hans
> 
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Otared Kavian
e-mail: otared@gmail.com
Phone: +33 6 88 26 70 95