selectInput: add control for size (height) #729
Merged
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This addresses https://groups.google.com/forum/?utm_medium=email&utm_source=footer#!msg/shiny-discuss/-gFgWdMLkvg/MM1UdM6R9kkJ
This adds control over the height of select inputs -- for both multiple and single inputs. It's not surprising that we haven't supported control over the height of single-select inputs, but I'm surprised we've never had the ability to control the height of multiple select boxes before.