Questions and postings pertaining to the usage of ImageMagick regardless of the interface. This includes the command-line utilities, as well as the C and C++ APIs. Usage questions are like "How do I use ImageMagick to create drop shadows?".
Post a URL to your original image, the image annotated with the tahoma.ttf font, and the image produced by Gimp. We will try to reproduce the problem and account for the differences in the font. ImageMagick and Gimp both use the Freetype rendering engine so it should produce identical results.