Greasy Fork is available in English.
Switches word wrapping for CODE blocks in comments on github.com
Userscript for github that adds a button to switch word wrapping for code in comments.
Script uses Local Storage to store a default setting of word wrapping for whole site. It will use hardcoded value
var wrapDefault = false;
if no Local Storage available.
There is no also menu to reset default value stored in Local Storage.
localStorage.removeItem("wrapDefault");
command may be used to reset the value.