Post any defects you find in the released or beta versions of the ImageMagick software here. Include the ImageMagick version, OS, and any command-line required to reproduce the problem. Got a patch for a bug? Post it here.
convert: scan4a 001.tif: unknown field with tag 40094 (0x9c9e) encountered. `TIFFReadDirectory' @ tiff.c/TIFFWarnings/526.
convert: scan4a 001.tif: unknown field with tag 59932 (0xea1c) encountered. `TIFFReadDirectory' @ tiff.c/TIFFWarnings/526.
ImageMagick 6.5.1-3 2009-04-13 Q16 OpenMP
Windows Vista SP1
Not a bug. The TIFF standard supports a number of well-defined tags. Any other tag is ignored and a warning is emitted so you know the tag was ignored.