814: Pre-generated waveform on MultiCanvas and zoom doesn't fill out each canvas (#815)
814: Pre-generated waveform on MultiCanvas and zoom doesn't fill out each canvas (#815)


ffxsam/wavesurfer.js,agamemnus/wavesurfer.js,ale-grosselle/wavesurfer.js,katspaugh/wavesurfer.js,ale-grosselle/wavesurfer.js,agamemnus/wavesurfer.js,ffxsam/wavesurfer.js,katspaugh/wavesurfer.js