BTW, the symbol you've used is not Greek Lambda. You've used \u2C96 (\u2C97), it's 'COPTIC LETTER LAULA' https://www.fileformat.info/info/unicode/char/2c97/index.htm.
The Greek Lambdas https://en.wikipedia.org/wiki/Lambda are \u039B and \u03BB. I could not even enter that Coptic Laula, I could only copy it from #197 : Ⲗ It is not displayed for me correctly, while Greek Labbda does: λ
@mpyat2 said in #221: