Software version info

bokeh 2.1.1
python 3.7
chrome 78.0.3904.97 (Official Build) (64-bit)
macOS 10.14.6 Mojave

Description of expected behavior and the observed behavior

Context:
A table with a column of floats including 0, formatted with ScientificFormatter, precision set to 3, other parameters defaulted.

Expect:
That 0 would be rendered as 0.

Observed:
Rendered as

Most items coming from questions on the community forum

• a proper multicategory bar example based on https://community.plotly.com/t/multicategory-axis-type-example/26392
• example of shape or annotation covering several subplots thanks to xref='paper'. Also the shapes and annotations tutorial should link to each other.
• orthographic projection example in 3d axes tutorial (or

Make the animation smoother.

Hello,
Considering your amazing efficiency on pandas, numpy, and more, it would seem to make sense for your module to work with even bigger data, such as Audio (for example .mp3 and .wav). This is something that would help a lot considering the nature audio (ie. where one of the lowest and most common sampling rates is still 44,100 samples/sec). For a use case, I would consider vaex.open('Hu