Re: [PATCH 1/9] ref-filter: implement %(if), %(then), and %(else) atoms

>> I found all the suggestions very good, except that the distinction
>> between "expands to" and "is printed" bothers me a bit, as they want
>> to mean exactly the same thing (imagine this whole thing were inside
>> another %(if)...%(then)).
>
> True. Then let me try again:
>
> Implement %(if), %(then) and %(else) atoms. Used as
> %(if)...%(then)...%(end) or %(if)...%(then)...%(else)...%(end). If the
> format string between %(if) and %(then) expands to an empty string, or
> to only whitespaces, then the whole %(if)...%(end) expands to the string
> following %(then). Otherwise, it expands to the string following
> %(else), if any.