with the proviso

Alex and the band capitulated, with the proviso that the video would be free of gimmickry.

Yet technological rule changes for this year's competition have reduced crew sizes from 11 people to eight, but with the proviso that any body part can now be used to create power.

Mangold told Rolling Stone the actors did their own singing - with the proviso that he could fix anything necessary in post-production.

About a month after the incident, CDI suspended Baffert from all its tracks for two years with the proviso that the penalty would be reviewed at that time.

But viewed with a long lens — and with the proviso that progress is often more of a slow trickle than a dramatic event and impact — there are many reasons that the talks can prove worthwhile.