<zzdiff>
<zzfind>
<zzgrep>
<zzpack>
<zzpatch>
<patch>
<and>
<cat>
<checksum>
<comma>
<copy>
<digest>
<disassemble>
<echo>
<exec>
<executable>
<false>
<ls>
<modificationTime>
<name>
<not>
<or>
<path_>
<pipe>
<print>
<property>
<readable>
<size>
<true>
<type>
<writable>