Re: multivalued feature (was Re: [jamboost] Re: [BBv2] quickbook.jam and boostbook question)

From: Zbynek Winkler (zw-bjam_at_[hidden])
Date: 2005-02-03 07:51:11

Vladimir Prus wrote:

>>I tried to use feature.set-default but I got an error stating
>>/path/to/quickbook is not an allowed value...
>> 
>>
>Unfortunately, "free" features can't have default value, because "free" 
>features non only can have any value, but can be specified several times. So 
>it's unclear when we should add default value -- when none is specified, or 
>always?
>
>I hope to fix this one day, by separating "free" features from "multivalued":
>
> http://zigzag.cs.msu.su:7814/scarab/issues/id/BB79
> 
>
What is (will be) the semantics of multivalued features? I've read the 
issue but it seems that it is just asking to be able to set default 
value to a free feature and be able to override that from the command 
line if necessary.

Zbynek

-- 
http://zw.matfyz.cz/ http://robotika.cz/
Faculty of Mathematics and Physics, Charles University, Prague, Czech Republic