[Webkit-unassigned] [Bug 15930] New: Relatively positioned elements with negative percentage are not rendered

[bugzilla-daemon at webkit.org]

http://bugs.webkit.org/show_bug.cgi?id=15930

           Summary: Relatively positioned elements with negative percentage
                    are not rendered
           Product: WebKit
           Version: 523.x (Safari 3)
          Platform: PC
               URL: http://www.gtalbot.org/BrowserBugsSection/Safari3Bugs/Po
                    sitionRelativeTopNegativePercentage.html
        OS/Version: Windows XP
            Status: UNCONFIRMED
          Severity: Normal
          Priority: P2
         Component: CSS
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: browserbugs at gtalbot.org


Safari 3.0.3 build 522.15.5 does not render relatively positioned block-level
elements with negative percentage.

2 URLS can be examined for this bug:

A semi-complete webpage:
http://www.gtalbot.org/BrowserBugsSection/Safari3Bugs/LiquidScrollerTabMenu.html
(where "tab menu" are relatively positioned with negative percentage and they
disappear)

A real complete webpage (and the original webpage with the problem)
http://www.straatadvocaat.org/samples/liquidScroller.html

Steps to reproduce:
===================
1- Load provided URL

Actual results in Safari 3.0.3 build 522.15.5:
----------------------------------------------
The blue bordered menu on the left is located below the vertical position of
the bottom border of #content.

Expected results:
-----------------
The blue bordered menu on the left should be located closer to the top, at the
same vertical position as the top-border of green bordered #content.

Notes
-----
- Firefox 2.0.0.9, Internet Explorer 7, Opera 9.24, Opera 9.50 all render the 3
URLs correctly, the same way and as expected.
- I searched for a duplicate and couldn't find any
- I carefully examined all 3 webpages and created 2 of them. I have not had
time to create a real reduced, minimized testcase. This can be done without
problem.


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