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[Bug 17124] New: Negative values of padding and border-width should be explicitly illegal

From: <bugzilla@jessica.w3.org>
Date: Sun, 20 May 2012 17:02:26 +0000
To: public-css-bugzilla@w3.org
Message-ID: <bug-17124-5148@http.www.w3.org/Bugs/Public/>

           Summary: Negative values of padding and border-width should be
                    explicitly illegal
           Product: CSS
           Version: unspecified
          Platform: PC
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: P2
         Component: CSS Level 2
        AssignedTo: bert@w3.org
        ReportedBy: antonsforums@yahoo.co.uk
         QAContact: public-css-bugzilla@w3.org

Reported by Peter Moulder

8.4 (Padding properties) says:

  # Unlike margin properties, values for padding values cannot be
  # negative. [...]

8.5.1 (Border width) says:

  # The border width properties specify the width of the border area.
  # The properties defined in this section refer to the <border-width>
  # value type, which may take one of the following values:
  # [...]
  # <length>
  #   The border's thickness has an explicit value. Explicit border
  #   widths cannot be negative.

It's not clear what an implementation should do when it encounters a specified
negative value.

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Received on Sunday, 20 May 2012 17:02:29 UTC

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