# Add to HOOK the given FUNCTION.
# HOOK is one of chpwd, precmd, preexec, periodic, zshaddhistory,
# zshexit, zsh_directory_name (the _functions subscript is not required).
# Add to HOOK the given FUNCTION.
# HOOK is one of chpwd, precmd, preexec, periodic, zshaddhistory,
# zshexit, zsh_directory_name (the _functions subscript is not required).