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?".
I tried it and it shows "Harold Loehner Designs". So I suspect there is no + glyph in that font. It works fine for other characters. I do not think this is an IM problem.