Luacontroller ignores pasted newlines

[Bituvo]

If I copy text that contains newlines into a luacontroller, all of the newlines disappear when I try to run it.

This problem occurs if I copy text from any source, including another properly-formatted luacontroller.

[SmallJoker]

@Bituvo Can you reproduce the same issue with other items, such as the Minetest Game book editor?

Copy&paste does not trigger any Lua callback on its own, thus this would be Luanti/Minetest engine issue.
Relevant code:

mesecons/mesecons_luacontroller/init.lua

Lines 690 to 703 in dd073d2

	local function reset_formspec(meta, code, errmsg)
	meta:set_string("code", code)
	meta:mark_as_private("code")
	code = minetest.formspec_escape(code or "")
	errmsg = minetest.formspec_escape(tostring(errmsg or ""))
	meta:set_string("formspec", "size[12,10]"
	.."style_type[label,textarea;font=mono]"
	.."background[-0.2,-0.25;12.4,10.75;jeija_luac_background.png]"
	.."label[0.1,8.3;"..errmsg.."]"
	.."textarea[0.2,0.2;12.2,9.5;code;;"..code.."]"
	.."image_button[4.75,8.75;2.5,1;jeija_luac_runbutton.png;program;]"
	.."image_button_exit[11.72,-0.25;0.425,0.4;jeija_close_window.png;exit;]"
	)
	end

[Bituvo]

Yes, it does happen with the book as well. I'm using the stable release of 5.10.0, let me update to the latest commit...

[Bituvo]

I've updated to the latest commit and the issue still occurs; in the Luacontroller, all newlines are removed when I press "Execute" without having to re-open the formspec. With the book editor, the "Save" button saves a copy of the text with all newlines stripped from it.

[SmallJoker]

Please check for open Luanti/Minetest issues or open a new one if there's none.
Not a mesecons bug.