[Webkit-unassigned] [Bug 93680] New: Back/Forward list with error page

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=93680

           Summary: Back/Forward list with error page
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: All
        OS/Version: All
            Status: UNCONFIRMED
          Severity: Major
          Priority: P2
         Component: History
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: basavarajaps at gmail.com
                CC: jvnforums10 at gmail.com


Adding multiple Items in the history tree for a safari error page, i.e when calling loadAlternateHTMLString when back or forward key is pressed.

Steps to reproduce 1. Fetch any URL(eg, google.com) 2. <unreachable URL> which displays safari error page (eg, fdgdfgfdgf.com) 3. 3rd any URL (eg, apple.com) 
when you press back from 3rd page, loadAlternateHTMLString() is called with load type standard which adds one more history item of the error page in the History Tree.
same case with Forward aswell.

Reproducible in safari/WebKit2 nightly build

This issue is similar to <https://bugs.webkit.org/show_bug.cgi?id=84041> which i for the case Reload.

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