How can vim display 0x0d 0x0a with the following symbol
␍ U+240D SYMBOL FOR CARRIAGE RETURN
 U+2424 SYMBOL FOR NEWLINE
https://stackoverflow.com/questions/18927672/newline-symbol-unicode-character
M is ugly.
This effect is similar to notepad++
set conceallevel=2 syn match CR "\r" conceal cchar=⏎ hi clear Conceal