Short reference for Thieme DTDs
Updated by Andrea Heidrich on 9th of August 2012

The Thieme DTDs consists of 2 main DTDs where each is used for special purposes:
- kis-tvg22.dtd: used for books
- eclskis.dtd: customized KIS-DTD for the CLS

The abovementioned DTDs use several modules that are located in the modules subdirectory:
- kis-mathml.mod
  sets the MathML prefix "m" and calls the mathml2.dtd.
- kis-basic.mod
  contains all elements that are used in more than one main DTD.
- kis-litref.mod
  defines detailed literature references. This module is used also in other divisions of Thieme.
- kis-metaInfo.mod
  defines the structure of metadata that appear at the beginning of each document.
- kis-recipe.mod
  defines the structure of recipes that are used mainly in the kis-tvg20.dtd.
- kis-qblock.mod
  Module for CLS enhancements for Examen Online. Created as Module for KIS 2.0 - Was part of KIS 1.x DTD.
- kis-dict.mod
  defines the structure of dictionary entries.
- mathml2.dtd and mathml2-qname-1.mod
  are used for MathML definitions of formulae.

Further there is a module used only by the Examen online located in the imsqti subdirectory:
- imsqti_v2p1.dtd
  defines the qti-part of eLearning instances. This DTD is developed and defined by IMS Global Learning Consortium.  
  
Further there are modules used only by the CLS located in the cls subdirectory:
- ecls-changeinfo.mod
  This module defines the structure of change information. A change information is a documment type and IO type in the CLS. 
- ecls-kis.mod
  CLS enhancements for the KIS-DTD
- ecls-kismap.mod
  As kismap is a documnet type in the CLS to define a collection of modules.
- ecls-ugcontent.mod
  This module defines the structure of User Generated Content (UGC) in the CLS. UGC is a documment type and IO type in the CLS. 

Other files and directories:
- kis-catalog.xml
  is a XML catalog file that can be used by an XML editor like Oxygen to locate referenced DTDs
- catalog.txt
  is a special catalog used by the CLS only
- changelog.txt
  keeps the whole change history to any dtd or module
- readme.txt
  this file
