The following files render differentl;y due to slipgntly different coordinates for a clipping region that clips an image : Bug687840.pdf john_clippedimage.pdf jpx-flowcontrols.pdf rotate0.pdf rotate180.pdf rotate270.pdf rotate90.pdf Few other files demonstrate a similar banding problem, which is not well analyzed : 034-01.ps Bug688485.pdf chilis_black.pdf chilis_red.pdf Clarke Tate Manns Chinese.ai gradmesh.ai Openhuis_pdf_zw.pdf SmoothShading.pdf This is moced from bug 687345.
Can't find any problems with any of these files, and they are in any event covered in bug #691173. Closing.