Re:  Namespace: CSS in addition to prefix (was: CSS instead
On Thu, Feb 21, 2008 at 8:19 AM, Dmitry Turin <dev3os@n...> wrote: > Manos, > > BR> CSS is useful for ... what is inessential to understanding of the data > > Agreed. > > BR> namespaces (as currently defined) are an essential > BR> part of understanding what the data is. > > Empty words. well thank you > > Certainly, i'm disagreed. > Look at XInclude - namespace describes behaviour (already existed in CSS). > Look at XLink - namespace describes presentation (compare with > http://www.w3.org/TR/css3-ui/#appearance ). > The difference between these two specifications and a data specification such as UBL or FPML is that the data of the former describes behavior and the data of the latter describe financial data. Executable instructions are still data to a computer. The typical scenario described for namespaces are that there is an element with the same name in two namespaces with radically different meanings and we want to combine these two sources of data, in such a case we need to have a way to differentiate between the combined data otherwise we do not know what the meaning is of the data. Namespaces are thus essential to understanding the meaning of the data, whether said data is 'behavioral' or of the sort that people more generally talk of when they discuss 'DATA'
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