Inline internal target with custom target name

Hi,
                                                                    
a short question on inline internal targets. Consider this example:
   
 A short generic target  _`is` going to cause conflicts. A target with same name
 but different meaning _`is` likely to be defined somewhere else.

To avoid such ambiguous targets, is it possible to assign custom target names to
inline internal targets that differ from their inline text?

Tobias

PS: Thanks for making docutils!