Character entities are sort of like variables. Because their are so many types of characters out there, the creators of SGML decided to create a huge list of entities. These are just variables which are called to represent some specific character. Here are a few that I've used in writing this document and a few that may be useful in your own documents. For a full list of possible character entities consult [ DocBook: The Definitive Guide ].
< > © ä Ä ë Ë ö Ö ü Ü |
And here is what they look like:
< > © ä Ä ë Ë ö Ö ü Ü