Avoid applying OTF features over pre-base mark (Z).
Avoid applying OTF features over pre-base mark (Z).

sanskrit-coders/m17n-db,sanskrit-coders/m17n-db,xmirror/m17n-db,xmirror/m17n-db,sanskrit-coders/m17n-db,xmirror/m17n-db,xmirror/m17n-db