| Index: packages/csslib/lib/src/property.dart
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| diff --git a/packages/csslib/lib/src/property.dart b/packages/csslib/lib/src/property.dart
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| index a2cf97ca1e619116c478308b1336e9539cd9e6d6..69f5c5425d1e5a1a3e3301e5929275db7bf536e2 100644
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| --- a/packages/csslib/lib/src/property.dart
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| +++ b/packages/csslib/lib/src/property.dart
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| @@ -1245,4 +1245,4 @@ class BoxEdge {
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|    num get height => (top != null ? top : 0) + (bottom != null ? bottom : 0);
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|  }
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|  
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| -/*=T*/ _mergeVal/*<T>*/(/*=T*/ x, /*=T*/ y) => y != null ? y : x;
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| +T _mergeVal<T>(T x, T y) => y != null ? y : x;
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| 
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