Alternative fix for https://github.com/readium/readium-js-viewer/issues/399 (TOC hyperlink preventDefault)
Alternative fix for https://github.com/readium/readium-js-viewer/issues/399
(TOC hyperlink preventDefault)

AndyHubert/readium-js-viewer,GermanCentralLibraryForTheBlind/readium-js-viewer,readium/readium-js-viewer,readium/readium-js-viewer,GermanCentralLibraryForTheBlind/readium-js-viewer,AndyHubert/readium-js-viewer