Description of the Issue

Screenshot

(It probably occurs in few more places in License text)

This issue was found in Notepad++ v8.1.2 (though it probably spans since v7.9.3) Windows 32-bit
Some details were offered in forum thread https://community.notepad-plus-plus.org/topic/21622/notepad-v8-1-2-license-strange-symbols
It was suggested that this problem started with commit ab5c1d3