Hakim El Hattab a0501a30b2 make sure isVerticalSlide doesn't throw npe 12 gadi atpakaļ
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reveal.js a0501a30b2 make sure isVerticalSlide doesn't throw npe 12 gadi atpakaļ
reveal.min.js a0501a30b2 make sure isVerticalSlide doesn't throw npe 12 gadi atpakaļ