LeaVerou/dabblet — pull request #183 by GeorgeTzellis (2012-08-16 20:42:30+00:00)
Title: Previewers' pointer fixes

1.The pointer for previewers is constructed from a rotated square.
The top part of that square was visible in previewers with a transparent background.

2. A flipped length previewer would show no pointer at all.