\definedescribecategory{ty}{type}
\definedescribecategory{type}{type}
\definedescribecategory{mac}{#1{macro}}
+\definedescribecategory{feat}{feature macro}
\definedescribecategory{lmac}{local #1{macro}}
\definedescribecategory{parse}{parser spec}
\definedescribecategory{parseform}{parser form}