Retain a unique ElementDeclaration component for each particle occurrence so declaration-specific information like nillable/value constraint are preserved
Retain a unique ElementDeclaration component for each particle occurrence so declaration-specific information like nillable/value constraint are preserved

balanced/PyXB,jonfoster/pyxb-upstream-mirror,jonfoster/pyxb-upstream-mirror,jonfoster/pyxb2,pabigot/pyxb,CantemoInternal/pyxb,CantemoInternal/pyxb,jonfoster/pyxb1,jonfoster/pyxb2,jonfoster/pyxb1,jonfoster/pyxb2,balanced/PyXB,jonfoster/pyxb-upstream-mirror,CantemoInternal/pyxb,pabigot/pyxb,balanced/PyXB