User blog comment:MisterWoodhouse/This Month at Fandom - February 2020/@comment-4177770-20200302155610/@comment-9605025-20200302171451

The input method would depend on the user's particular set-up (keyboard layout, computer operating system, web browser, etc.); there is no universal standard.

Most OSs provide a character map application where users can look-up a character and then copy-paste it. Some OSs provide a key combination. Internet Explorer auto-corrects "pokemon" to "pokémon" (not that many people use IE anymore).

Another way would be to use HTML entities. HTML entities are special character sequences that HTML converts to characters. The following can be used for é.
 * 1) &#x26;#xe9;
 * 2) &#x26;#223;
 * 3) &#x26;eacute;