Chapter 4 - White Space Processing Details - 4.2 Tab Character Size: the ‘tab-size’ property
Go to the relevant page of the specification.
- tab-size-integer-001
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tab-size: 4
Tab should be rendered as 4 times the space character’s advance width (U+0020) - tab-size-integer-002
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tab-size: -4
Tab-size negative values are not allowed - tab-size-integer-003
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tab-size: 0
Tab should be rendered as 0 times the space character’s advance width (U+0020) - tab-size-length-001
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tab-size: 1em
Tab should be rendered as 1em (20px) - tab-size-length-002
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tab-size: -1em
Tab-size negative length values are not allowed - tab-size-percent-001
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tab-size: 100%
Tab-size percentage values are not allowed