Tansica Sun 92cb04434f Clarified + in addition and concatenation (#21433) ... Distinguished `+` function (arithmetic versus concatenation) when dealing with different data types (number versus string).		2018-11-13 21:13:34 -07:00
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index.md	Clarified + in addition and concatenation (#21433)	2018-11-13 21:13:34 -07:00