No, it should catch the single "Z" as an error.
tree3950df3c700cc845345070648815f89011210541
-rw-r--r-- 154 TODO.txt
-rwxr-xr-x 984 conv-palataliz
-rwxr-xr-x 3646 conv-specchars
-rwxr-xr-x 143 unicode