[Webkit-unassigned] [Bug 94292] New: :first-letter on an element with CSS quotes break nesting

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=94292

           Summary: :first-letter on an element with CSS quotes break
                    nesting
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: All
        OS/Version: All
            Status: NEW
          Keywords: HasReduction
          Severity: Normal
          Priority: P2
         Component: Layout and Rendering
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: esprehn at chromium.org


Created an attachment (id=158992)
 --> (https://bugs.webkit.org/attachment.cgi?id=158992&action=review)
Reduction

Adding :first-letter to a CSS element with quotes will break the nesting because the RenderQuote gets removed from the render tree, split into two RenderText's and then destroyed. This is particularly unfortunate because it means we call originalText() on detached RenderQuote so open-quote is always depth = 0, and close-quote is always empty string.

Worse yet, because the RenderQuote itself was destroyed the depth of all other quotes in the document becomes busted.

This looks really hard to fix without completely redesigning first-letter or how we handle generated content.

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