is.colour: Check colour string
In BillVenables/WWRGraphics: Traditional Graphics Enhancements for WWR

Check if character strings can be used as colour specifications

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is.colour(x)

is.color(x)

`x`	A character string vector

A logical vector indicating validity

1 2	is.colour(c("dark grey", "horrible yellow", 1)) is.colour(1)

BillVenables/WWRGraphics documentation built on Feb. 1, 2021, 12:13 p.m.

BillVenables/WWRGraphics index

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