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| RenderView at (0,0) size 800x600 | |
| layer at (0,0) size 800x494 | |
| RenderBlock {HTML} at (0,0) size 800x494 | |
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| RenderBlock {P} at (0,0) size 784x18 | |
| RenderText {#text} at (0,0) size 461x17 | |
| text run at (0,0) width 461: "The square below should be exactly 50% wide on the ruler at the bottom." | |
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| RenderImage {IMG} at (0,0) size 392x392 |