[elpa] branch externals/xref-union created (now 0f98bea594)

[ELPA Syncer]

elpasync pushed a change to branch externals/xref-union.

        at  0f98bea594 Bump version to 0.1.1 for GNU ELPA

This branch includes the following new commits:

       new  9f8e4d83c2 Initial import
       new  0d585d722e Fix construction of union backends
       new  1106671c68 Interpret 'xref-union-excluded-backends' as a predicate
       new  eefdc0b2c0 Assign copyright to the FSF
       new  0f98bea594 Bump version to 0.1.1 for GNU ELPA