Re: [docbook-apps] Customising provisional-distance-between-starts in an orderedlist

Hi,
That particular property is controlled by a separate stylesheet 
parameter, as well as an optional processing instruction for an 
individual list.  Those override the attribute-set property.  See the 
second half of this webpage for details:

http://www.sagehill.net/docbookxsl/ListSpacing.html#ListHorizSpacing