l. If 
<i>uri</i> is a string, its parsed uri is used. <a 
href="03Resource.htm#SWCLOS*NameSpaces*"><b>*NameSpaces*</b></a> 
is consulted for the association between a fragment-less or name-less URI and 
package. In the case of irregular mapping, the functions bound to <a 
href="03Resource.htm#SWCLOSuri2symbol-package-mapping-fun"><b>*uri2symbol-package-mapping-fun*</b></a> 
and <a 
href="03Resource.htm#SWCLOSuri2symbol-name-mapping-fun"><b>*uri2symbol-name-mapping-fun*</b></a> 
are called and the return va