css-module-regions.xml

<?xml version="1.0" encoding="utf-8"?>
<CssModule name="Regions" standard-reference="http://dev.w3.org/csswg/css-regions/" status="WD" pub-date="2013-10-15">

  <CssProperty name="break-after">
    <entry value="avoid-region" />
    <entry value="region" />
  </CssProperty>

  <CssProperty name="break-before">
    <entry value="avoid-region" />
    <entry value="region" />
  </CssProperty>

  <CssProperty name="break-inside">
    <entry value="avoid-region" />
  </CssProperty>

  <CssProperty name="flow-from" version="3.0" browsers="none" restriction="identifier" syntax="div { $(name): identifier; }" description="Gets or sets a value that identifies a Connected Frame container in the document that accepts the content flow from the data source." standard-reference="http://www.w3.org/TR/css3-regions/#flow-from">
    <entry value="none" />
  </CssProperty>

  <CssProperty name="flow-into" version="3.0" browsers="none" restriction="identifier" syntax="div { $(name): identifier; }" description="Gets or sets a value that identifies an iframe container in the document that serves as the Connected Frame data source." standard-reference="http://www.w3.org/TR/css3-regions/#flow-into">
    <entry value="none" />
  </CssProperty>

  <CssProperty name="region-fragment" version="3.0" browsers="none" restriction="enum" syntax="article { $(name): break; }" description="The 'region-fragment' property controls the behavior of the last region associated with a named flow." standard-reference="http://dev.w3.org/csswg/css-regions/#region-fragment">
    <entry value="auto" description="Content flows as it would in a regular content box." />
    <entry value="break" description="If the content fits within the CSS Region, then this property has no effect." />
  </CssProperty>
</CssModule>