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Commita1373e2

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gibson042mgol
authored andcommitted
CSS: Justify use of rtrim on CSS property values
CSS does not acknowledge carriage return or form feed charactersas whitespace but it does replace them with whitespace, making itacceptable to use `rtrim`.Closesgh-4956(cherry picked from commit655c0ed)
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‎src/css/curCSS.js

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@@ -32,6 +32,12 @@ function curCSS( elem, name, computed ) {
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// trim whitespace for custom property (issue gh-4926)
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if(isCustomProp){
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// rtrim treats U+000D CARRIAGE RETURN and U+000C FORM FEED
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// as whitespace while CSS does not, but this is not a problem
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// because CSS preprocessing replaces them with U+000A LINE FEED
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// (which *is* CSS whitespace)
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// https://www.w3.org/TR/css-syntax-3/#input-preprocessing
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ret=ret.replace(rtrimCSS,"$1");
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}
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