# value-list-comma-newline-before > **Warning** This rule is deprecated and will be removed in the future. See [the migration guide](../../../docs/migration-guide/to-15.md). Require a newline or disallow whitespace before the commas of value lists. ```css a { background-size: 0 , 0; } /** ↑ * The newline before this comma */ ``` ## Options `string`: `"always"|"always-multi-line"|"never-multi-line"` ### `"always"` There _must always_ be a newline before the commas. The following patterns are considered problems: ```css a { background-size: 0,0; } ``` ```css a { background-size: 0, 0; } ``` The following patterns are _not_ considered problems: ```css a { background-size: 0 , 0; } ``` ### `"always-multi-line"` There _must always_ be a newline before the commas in multi-line value lists. The following patterns are considered problems: ```css a { background-size: 0, 0; } ``` The following patterns are _not_ considered problems: ```css a { background-size: 0, 0; } ``` ```css a { background-size: 0,0; } ``` ```css a { background-size: 0 , 0; } ``` ### `"never-multi-line"` There _must never_ be whitespace before the commas in multi-line value lists. The following patterns are considered problems: ```css a { background-size: 0 , 0; } ``` The following patterns are _not_ considered problems: ```css a { background-size: 0,0; } ``` ```css a { background-size: 0, 0; } ``` ```css a { background-size: 0, 0; } ```