Bug 4875 – link jumping should scroll to tallest object on line, not first object on line

• Component: New Bugs
• Status: VERIFIED FIXED

Summary: If a named anchor comes right before a table (and there's no whitespace between them) then 
a link to the anchor scrolls to the first text in the table rather than to where the anchor is.

To reproduce:
1) Open the testcase in Safari
2) Click the "Click here" link

Expected: in step 2, page should scroll to "You came to the right place!".

Actual: in step 2, page scrolls to "I didn't expect you to get this far!".

(Similar to bug 4825, but this one is not a regression).

Created attachment 3800 [details]
testcase

Forgot to mention that Firefox behaves as expected.

[Vicki Murley]

Scrolling to anchors is broken in many ways, in large part b/c the function that calculates the position to 
scroll to (getUpperLeftCorner) predates the line box tree. 

Let's use this bug as a master bug for this issue.

[Vicki Murley]

Two related bugs about scrolling to anchors:
http://bugzilla.opendarwin.org/show_bug.cgi?id=3390
http://bugzilla.opendarwin.org/show_bug.cgi?id=4964

[Dave Hyatt]

Putting a border on the table makes this test case a bit more clear IMO.

Vicki fixed this but I'm not sure the bug can be closed because it's tracking other scroll-to-anchor issues.

[Vicki Murley]

I think we can close this.  The only remaining bug that is related to this bug is http://
bugzilla.opendarwin.org/show_bug.cgi?id=3390, and the originator claims that bug has something to do 
with stylesheets.  The fixes I made pertain only to the algorithm that calculates the position to scroll to.  

By the way Mitz, thanks for all of your great test cases!  They really helped in coming up with a solution 
that covered a lot of edge cases.