diff --git a/layout/mathml/nsMathMLmunderoverFrame.cpp b/layout/mathml/nsMathMLmunderoverFrame.cpp index dc2c36796e9..60bab2205d2 100644 --- a/layout/mathml/nsMathMLmunderoverFrame.cpp +++ b/layout/mathml/nsMathMLmunderoverFrame.cpp @@ -419,8 +419,7 @@ nsMathMLmunderoverFrame::Place(nsRenderingContext& aRenderingContext, mBoundingMetrics.ascent = bmBase.ascent + overDelta1 + bmOver.ascent + bmOver.descent; - mBoundingMetrics.descent = - bmBase.descent + underDelta1 + bmUnder.ascent + bmUnder.descent; + mBoundingMetrics.descent = bmBase.descent; mBoundingMetrics.leftBearing = NS_MIN(dxBase + bmBase.leftBearing, dxOver + bmOver.leftBearing); mBoundingMetrics.rightBearing = @@ -463,6 +462,9 @@ nsMathMLmunderoverFrame::Place(nsRenderingContext& aRenderingContext, mBoundingMetrics.width = NS_MAX(dxAnonymousBase + bmAnonymousBase.width, dxUnder + bmUnder.width); + // At this point, mBoundingMetrics.ascent = bmAnonymousBase.ascent + mBoundingMetrics.descent = + bmAnonymousBase.descent + underDelta1 + bmUnder.ascent + bmUnder.descent; mBoundingMetrics.leftBearing = NS_MIN(dxAnonymousBase + bmAnonymousBase.leftBearing, dxUnder + bmUnder.leftBearing); mBoundingMetrics.rightBearing =