`<r>` (Rule)

This element specifies a rule entry in a <rules> element rule set that describes how a certain shape or set of shapes behaves during editing.

example:

<o:shapelayout v:ext="edit">
  <o:rules v:ext="edit">
    <o:r id="V:Rule1" type="connector" idref="#_s1036">
      <o:proxy start="" idref="#_s1033" connectloc="0"/>
      <o:proxy end="" idref="#_s1032" connectloc="2"/>
    </o:r>
  </o:rules>
</o:shapelayout>

Parent Elements
`<rules>` (§6.2.2.26)

Child Elements	Subclause
`<proxy>` (Shape Reference)	§6.2.2.20

Attributes	Description
`<how>` (Alignment Rule Type)	Specifies the type of alignment for an alignment rule. Default is no value. Allowed values are: `top` `middle` `bottom` `left` `center` `right` The possible values for this attribute are defined by the ST_How simple type (§6.2.3.13).
`<id>` (Rule ID)	Specifies an identifier for the rule. Default is no value. The possible values for this attribute are defined by the XML Schema string datatype.
`<idref>` (Rule Shape Reference)	Specifies a reference to a shape in the current document that is the primary shape in the rule. For example, for a connector rule, the connector. Default is no value. A shape name is used as the reference mechanism; this is not a relationship ID. The possible values for this attribute are defined by the XML Schema string datatype.
`<type>` (Rule Type)	Specifies the type of the rule. Default is no value. Allowed values are: `arc` `callout` `connector` `align` The possible values for this attribute are defined by the ST_RType simple type (§6.2.3.21).

The following XML Schema fragment defines the contents of this element:

<complexType name="CT_R">
	<sequence>
	<element name="proxy" type="CT_Proxy" minOccurs="0" maxOccurs="unbounded"/>
	</sequence>
	<attribute name="id" type="xsd:string" use="required"/>
	<attribute name="type" type="ST_RType" use="optional"/>
	<attribute name="how" type="ST_How" use="optional"/>
	<attribute name="idref" type="xsd:string" use="optional"/>
</complexType>

<r> (Rule)

`<r>` (Rule)