diff --git a/proposal/myrmidon/src/manifest/base-ant-roles.xml b/proposal/myrmidon/src/manifest/base-ant-roles.xml
new file mode 100644
index 000000000..3fc668e11
--- /dev/null
+++ b/proposal/myrmidon/src/manifest/base-ant-roles.xml
@@ -0,0 +1,6 @@
+<roles>
+  <role shorthand="task"           name="org.apache.myrmidon.api.Task"/>
+  <role shorthand="data-type"      name="org.apache.myrmidon.api.DataType"/>
+  <role shorthand="listener"       name="org.apache.myrmidon.listeners.ProjectListener"/>
+  <role shorthand="aspect"         name="org.apache.myrmidon.aspects.AspectHandler"/>
+</roles>
\ No newline at end of file
diff --git a/proposal/myrmidon/src/manifest/taskdefs.xml b/proposal/myrmidon/src/manifest/taskdefs.xml
index e33097297..93686244a 100644
--- a/proposal/myrmidon/src/manifest/taskdefs.xml
+++ b/proposal/myrmidon/src/manifest/taskdefs.xml
@@ -16,7 +16,7 @@
   <task name="property" classname="org.apache.ant.modules.basic.Property" />
   <task name="ant-call" classname="org.apache.ant.modules.basic.AntCall" />
 
-  <datatype name="pattern" classname="org.apache.ant.modules.basic.Pattern" />
+  <data-type name="pattern" classname="org.apache.ant.modules.basic.Pattern" />
 
   <converter classname="org.apache.ant.modules.basic.StringToLongConverter" 
              source="java.lang.String"