Selection garbage when line has String literal

[scheglov]

Most probably because of code highlighting, in result more characters are highlighted as selected and selection removing does not work correctly. May be TextLayout.translateOffset() called from org.eclipse.swt.graphics.TextLayout.draw(GC, int, int, int, int, Color, Color, int) at line 459.

Happens only if line has String literal.

See screenshot.
Place caret on beginning of the line with "var a", press Shift, press ArrowRight several times, press ArrowLeft couple times, see what happens. But on line "b" it is OK.

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Attachment:
[Screen shot 2012-08-07 at 2.49.33 PM.png](https://storage.googleapis.com/google-code-attachments/dart/issue-4404/comment-0/Screen shot 2012-08-07 at 2.49.33 PM.png) (12.59 KB)

[danrubel]

Set owner to @stevemessick.
Added Triaged label.

[stevemessick]

Added Duplicate label.
Marked as being merged into #2268.