367745 - Text decorations don't work in multiline <xul:label>s

Status: NEW

(Core :: Layout: Text and Fonts, defect)

Description

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<xul:label>s without a value attribute display their content as HTML.
However setting text-decoration on the label doesn't affect the rendering.

At roc's request I breakpointed on DisplayLine in nsBlockFrame.cpp and traced the excution through nsHTMLContainerFrame::DisplayTextDecorations into nsHTMLContainerFrame::GetTextDecorations which bails out early because the label doesn't have a block or table display style.

Comment 1

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Attachment: Test case

Tip: Open this with -chrome to minimise frame construction.

Comment 2

[Boris Zbarsky [:bzbarsky]]

Ah, a multiline label gets an nsAreaFrame, right? 

Could wait till after inline-block lands and see whether that has the same issues?  The fix should be about the same, I'd think.