Enables and configures smart and extensive tab completion.
Completions are sourced from zsh-completions.
ALWAYS_TO_END
moves cursor to end of word if a full completion is inserted.PATH_DIRS
performs path search even on command names with slashes in them.NO_CASE_GLOB
makes globbing case insensitive.NO_LIST_BEEP
doesn't beep on ambiguous completions.Command completions should be submitted upstream to zsh-completions.