tryton/modules/project_plan/view/work_form.xml

<?xml version="1.0"?>
<!-- This file is part of Tryton.  The COPYRIGHT file at the top level of
this repository contains the full copyright notices and license terms. -->
<data>
    <xpath expr="/form/notebook/page[@name='children']" position="after">
        <page string="Plan" id="plan">
            <label name="constraint_start_date"/>
            <field name="constraint_start_date"/>
            <label name="constraint_finish_date"/>
            <field name="constraint_finish_date"/>
            <label name="early_start_date"/>
            <field name="early_start_date"/>
            <label name="early_finish_date"/>
            <field name="early_finish_date"/>
            <label name="late_start_date"/>
            <field name="late_start_date"/>
            <label name="late_finish_date"/>
            <field name="late_finish_date"/>
            <label name="actual_start_date"/>
            <field name="actual_start_date"/>
            <label name="actual_finish_date"/>
            <field name="actual_finish_date"/>
            <label name="duration"/>
            <field name="duration"/>
            <newline/>
            <field name="predecessors" colspan="2"/>
            <field name="successors" colspan="2"/>
        </page>
        <page string="Allocations" name="allocations">
            <field name="allocations" colspan="4"/>
        </page>
    </xpath>
</data>