<?xml version="1.0" encoding="UTF-8"?>
<rng:grammar xmlns:rng="http://relaxng.org/ns/structure/1.0"
             xmlns:a="http://relaxng.org/ns/annotation/1.0"
             datatypeLibrary="http://www.w3.org/2001/XMLSchema-datatypes">
    <!-- Handling of element overloading when inheriting from a base
         template
    -->
    <rng:include href="common.rng"/>
    <rng:define name="gantt">
        <rng:element name="gantt">
            <rng:attribute name="date_start"/>
            <rng:choice>
                <rng:attribute name="date_stop"/>
                <rng:attribute name="date_delay"/>
            </rng:choice>
            <rng:optional><rng:attribute name="progress"/></rng:optional>
            <rng:optional><rng:attribute name="string"/></rng:optional>
            <rng:optional><rng:attribute name="type"/></rng:optional>
            <rng:optional><rng:attribute name="default_group_by"/></rng:optional>
            <rng:optional><rng:attribute name="create"/></rng:optional>
            <rng:optional><rng:attribute name="delete"/></rng:optional>
            <rng:optional><rng:attribute name="edit"/></rng:optional>
            <rng:optional><rng:attribute name="fold_last_level"/></rng:optional>
            <rng:optional><rng:attribute name="round_dnd_dates"/></rng:optional>
            <rng:optional><rng:attribute name="consolidation"/></rng:optional>
            <rng:optional><rng:attribute name="consolidation_max"/></rng:optional>
            <rng:optional><rng:attribute name="consolidation_exclude"/></rng:optional>
            <rng:empty/>
        </rng:element>
    </rng:define>
    <rng:start>
        <rng:choice>
            <rng:ref name="gantt" />
        </rng:choice>
    </rng:start>
</rng:grammar>
