In the attached example, an SVG test is displayed. If you try to find text in it (ctrl+f and type "svg" in the search box), an orange box appears that shows the found text. The problem is that for SVG text, the box position is wrong. The box size is correct.
Created attachment 15363 [details]
Sample file that creates dynamically an SVG text element
Confirmed on Windows with r23677.
On Mac OS, the text simply couldn't be found (Safari 2.0.4 + r23922).
With feature-branch you can actually find the text, though the orange boxes are really off.
This is fixed in Safari trunk.
*** This bug has been marked as a duplicate of bug 41200 ***