[stringtemplate-interest] Spaces around template attributes

[Terence Parr]

On Apr 29, 2009, at 7:59 AM, Michael wrote:

> Am Wednesday 29 April 2009 16:43:30 schrieb Steve Ebersole:
>> I am trying to deal with extra spaces in my stringtemplate output  
>> when
>> attribute values used within the template are null/empty.  I figure  
>> this
>> has to be a pretty common requirement, so I thought I'd ask here  
>> how to
>> accomplish this.
>>
>> For example, I have a template like:
>> sortSpecification 
>> (sortKey,collationSpecification,orderingSpecification) ::=
>> << <sortKey> <collationSpecification> <orderingSpecification>
>>
>
> you can try it with list construction, *untested* :
>
> sortSpecification 
> (sortKey,collationSpecification,orderingSpecification) ::=
> <<
> <[sortKey, collationSpecification, orderingSpecification];  
> separator=' '>
>>>

something like this seems best.  almost common enough thtat we need an  
operator for that!

Ter