On Jan 22, 2004, at 1:57 PM, Andrew E Switala wrote:

> ... another advantage of elements vs. element+attribute is enforcement
> of
> valid content.


> Similarly there could be, e.g. marcRelatorCode and marcRelatorText
> along with roleTerm authority="...", marcGenre along with genre
> authority="...", and so forth.

You mean data-typing?  I don't think the benefits of data-typing
outweigh the inflexibility introduced by hard-coding such marc-specific
stuff in MODS.