Attached test case shows a bug in WebKit SVG: The stroke on a <text> element references a linearGradient. As can be seen, the stroke is horizontally offset by (maybe) 1 glyph. Note that if you change the fill to a solid color ("blue"), there is no offset.
Created attachment 29794 [details] Test Case showing the problem
The same problem like in bug 25403. *** This bug has been marked as a duplicate of 25403 ***