Bash's meta-delete will remove one path component instead of the entire path. How do you get zsh to behave like that?

I found this, which seems to work. Is this the right thing to do?

> 
> One of the things I most missed about bash when first switching to Zsh was that M-b and M-f (backward-word and forward-word) would jump over an entire /path/location, rather than to each word separated by a '/'. To make the behavior more like bash, you can evaluate this command:
>  export WORDCHARS=''
> 
> 
> 

<http://zshwiki.org/home/zle/bindkeys>