Jim Cromie writes:
> since the qq:X family has recently come up, Id like to suggest another.
>
> qq:i {} is just like qq{} except that when it interpolates variables,
> those which are undefined are preserved literally.So then when doing maintenance on some code I can break it by introducing a new variable with a name that hasn't been used anywhere else -- because there was some code relying on that variable _not_ being defined? Ouch. Smylers
