contrary to documentation "name" option to [ns_set create] is not optional.
:uplevel behaviour
AddTiff {properly clean up opened channel}
AddTiff {properly clean up opened channel}
Add support for Tiff with Group 4 compression
Add support for TIFF files with group4 compression.
pngtcl.h misinterprets missing CONST84
In commit 7388d7698118df3 ItclMemberCode uses reference counting instead of Itcl_PreserveData.