MOM-CA uses and in some parts extends and patches the [eXist application server](http://exist-db.org/). The source code extending or patching eXist is located under [my/eXist](../tree/master/my/eXist). eXist provides an [interface to write custom XQuery modules](http://exist-db.org/exist/apps/doc/xquery.xml#modules) with which one can extend the standard XQuery function-set and the eXist XQuery functionextensions. Following this interface, MOM-CA implements two new XQuery modules:
MOM-CA uses and in some parts extends and patches the [eXist application server](http://exist-db.org/). The source code extending or patching eXist is located under [my/eXist](../tree/master/my/eXist). eXist provides an [interface to write custom XQuery modules](http://exist-db.org/exist/apps/doc/xquery.xml#modules) with which one can extend the standard XQuery function-set and the [eXist-specific XQuery function-set](http://exist-db.org/exist/apps/fundocs/browse.html?extensions=true). Following this interface, MOM-CA implements two new XQuery modules:
* an [XQuery Excel module](../tree/master/my/eXist/extensions/modules/src/org/exist/xquery/modules/excel) for the conversion of Excel sheets into XML
* an [XQuery Excel module](../tree/master/my/eXist/extensions/modules/src/org/exist/xquery/modules/excel) for the conversion of Excel sheets into XML
* an [XQuery minify module](../tree/master/my/eXist/extensions/modules/src/org/exist/xquery/modules/minify) to minify JavaScript and CSS resources
* an [XQuery minify module](../tree/master/my/eXist/extensions/modules/src/org/exist/xquery/modules/minify) to minify JavaScript and CSS resources