Electronic Documents Markup:
A brief explanation of what markup languages are and where they come
from.
http://www.cs.wpi.edu/~kal/elecdoc/EDmarkup.html
Project Xanadu:
The original hypertext project. Includes a history of the project
and gives credit to the early developers of markup languages.
http://www.xanadu.com/
whatis?com: markup:
A short definition of "markup".
http://whatis.techtarget.com/definition/0,289893,sid9_gci212527,00.html
YAML Ain't Markup Language (YAML):
A straightforward machine parsable data serialization format
designed for human readability and interaction with scripting
languages such as Perl and Python.
http://yaml.org/
