How can I change a background color of a line in TextEdit node?

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:bust_in_silhouette: Asked By a10000W

I have a TextEdit node that simulates a code editor for my game.
Sometimes I want to color a background of one of the lines to hightlight it.

Basically what I want to acomplish (green background color in line 3):
enter image description here
Is this possible somehow?
I tried Inserting ColorRect inside TextEdit and just move it, but it did’t work out for me, because my TextEdit can scroll.