teinte_convert, TEI shades, convert your text files
Teinte_convert is an open source application to convert texts files. You can find the always up to date installation on fictif.org/teinte (a standard commercial hosting). This converter is a demo for the oeuvres/teinte composer package. Try it with all your odd files. Maybe you will not be happy, send a mail to Frédéric Glorieux, or fill an issue (sadly, identification is required). All your angers, bugs or requirements could be useful for others, feel free to post them.
