[Webkit-unassigned] [Bug 13489] New: "Back" doesn't function between anchor navigation in multiple frames page

[bugzilla-daemon at webkit.org]

http://bugs.webkit.org/show_bug.cgi?id=13489

           Summary: "Back" doesn't function between anchor navigation in
                    multiple frames page
           Product: WebKit
           Version: 419.x
          Platform: Macintosh
               URL: http://developer.apple.com/documentation/Cocoa/Reference
                    /Foundation/ObjC_classic/index.html
        OS/Version: Mac OS X 10.4
            Status: UNCONFIRMED
          Severity: Major
          Priority: P2
         Component: New Bugs
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: bruno.roudot at laposte.net


When clicking on an anchor link in one frame in a html page containing multiple
frames, Back function appears to not work properly.

Example to reproduce this behavior :
Apple Developer site :
1. go to "Foundation Framework Reference index" page
(http://developer.apple.com/documentation/Cocoa/Reference/Foundation/ObjC_classic/index.html).
2. choose a class (here, NSArray) by clicking on NSArray link.
3. web page appears (with TOC frame on left side, and class description on
right).
4. on class description side, scroll the page to "Tasks, Creating an array",
then click on "+ array" link (this is an anchor link).
5. web page scrolls to "array" method description.
6. then, try to go back (ie,  "Tasks, Creating an array" section -see point 4-
) by pressing backspace key, or by choosing Back in History menu, or by
right-clicking on web page and choosing Back in contextual menu.

-> nothing happens !
But if you try go back a second time, your return on previous web page (here,
"Foundation Framework Reference index", see point 1).
It seems the first "go back" action is "accepted" ("go back" is made in history
buffer) but not seen on screen.

An another test on same web pages, but without visible TOC section works fine.
(to try, after point 3, click on "Hide TOC" link, then continue the next points
of the example : after point 6, weg page returns to previous location in point
4).

Differences between the 2 tries is frames on the firts, plain html on the
second.

These tries are made on webkit version in OSX 10.4.9 (build 8P135), but this
behavior is remaining on lastest nightly build at this time (r21081).


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