Windows 7 x64, gtx 580,
**Short description of error**
From the wiki it states "RGB color from image. If the image has alpha, the color is premultiplied with alpha if the Alpha output is used, and unpremultiplied or straight if the Alpha output is not used."
However, in use, the color is ALWAYS premultiplied with the alpha.. This makes it hard to load in other information into the alpha slot (such as masks for the image texture)
**Exact steps for others to reproduce the error**
1. Open attached blend file
2. press shift z on the viewport
3. notice how there is black in the gradient, whereas it should be nice and smooth