How can i add multiline text to node?

[glsp-bot]

I created GNode and add GLabel as its child. GLSP draws single line text correctly, but multiline text drawn as one line with gaps.
Example: text 'line\nline\nline' drawn as 'line line line'

original thread by MoHcmp

[planger]

Please see the answer to https://spectrum.chat/glsp/general/configure-element-max-width~0c993e4f-6955-407a-9ff0-7de81d113393https://spectrum.chat/glsp/general/configure-element-max-width~0c993e4f-6955-407a-9ff0-7de81d113393