Merge pull request #2192 from audsKu/patch-1

Update d3.d.ts
This commit is contained in:
Masahiro Wakame
2014-05-20 16:29:51 +09:00
Vendored
+1 -1
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@@ -1463,7 +1463,7 @@ declare module D3 {
/**
* decrease lightness by some exponential factor (gamma)
*/
darker(k: number): Color;
darker(k?: number): Color;
/**
* convert the color to a string.
*/