Where may I find information about the nomenclature and tags used in the field cur_text of WikiPedia?

I want to create my own machine to communicate data from and to wikipedia to other projects I have.

TIA,

J. Alejandro Ceballos Z. | ---------------------------+--------------------------- http://alejandro.ceballos.info | buzon@alejandro.ceballos.info | " Mucha gente confunde -------------------------------+ una mala memoria, Tel: (33) 3647-7809 | con una conciencia limpia. " Cel: (33) 1076-4705 | | -- Doug Larson |