diff --git a/schema/axf.rnc b/schema/axf.rnc
index bbca762..6e9fb9e 100755
--- a/schema/axf.rnc
+++ b/schema/axf.rnc
@@ -453,7 +453,8 @@ fo_index-range-begin.attlist &=
 
 fo_inline.attlist &=
     xml_id,
-    axf.annotation.attlist
+    axf.annotation.attlist,
+    axf_indent-here
 
 fo_inline-container.attlist &=
     xml_id,
@@ -1082,6 +1083,13 @@ axf_headers =
     ## Table header cells associated with this cell: <idrefs>
     attribute axf:headers { xsd:IDREFS }?
 
+# @axf:indent-here
+#
+# http://www.antennahouse.com/product/ahf64/ahf-ext.html#axf.indent-here
+axf_indent-here =
+    ## Aligns the indent position to the region position when a line break occurs: none | <length>
+    attribute axf:indent-here { text }?
+
 # @axf:number-type
 #
 # http://www.antennahouse.com/product/ahf64/ahf-ext.html#axf.number-type
diff --git a/schematron/axf.sch b/schematron/axf.sch
index 62f3cde..cd67043 100755
--- a/schematron/axf.sch
+++ b/schematron/axf.sch
@@ -266,6 +266,19 @@
 	  </sqf:fix>
 	</rule>
 
+	<!-- axf:indent-here -->
+	<!-- none | <length> -->
+	<!-- Inherited: yes -->
+	<!-- Shorthand: no -->
+	<!-- http://www.antennahouse.com/product/ahf64/ahf-ext.html#axf.indent-here -->
+	<rule context="fo:*/@axf:indent-here">
+	  <let name="expression" value="ahf:parser-runner(.)"/>
+	  <assert test="local-name($expression) = ('EnumerationToken', 'Length', 'EMPTY')">axf:indent-here="<value-of select="."/>" should be EnumerationToken or Length.  '<value-of select="."/>' is a <value-of select="local-name($expression)"/>.</assert>
+	  <report test="$expression instance of element(EnumerationToken) and not($expression/@token = ('none'))">axf:indent-here="<value-of select="."/>" enumeration token is '<value-of select="$expression/@token"/>'.  Token should be 'none'.</report>
+	  <report test="local-name($expression) = 'EMPTY'" role="Warning">axf:indent-here="" should be EnumerationToken or Length.</report>
+	  <report test="local-name($expression) = 'ERROR'">Syntax error: axf:indent-here="<value-of select="."/>"</report>
+	</rule>
+
 	<!-- axf:line-number-background-color -->
 	<!-- <color> | transparent -->
 	<!-- Inherited: yes -->