SWISH term_singletons/2 and easy text coloring?

I see. But is there a way to stream HTML elements? Now
that Jan W. has implemented event coalescing?

See this other thread:

SWISH - slow printing and missing toplevel bindings
https://swi-prolog.discourse.group/t/swish-slow-printing-and-missing-toplevel-bindings/7490/11