* fix circle drag cursor changing to double when dragging through the right side of table
* document BLT2381 support in INSTALL and HTML documentation
* avoid wide labels overlap in labels array
* implement slice label selection with background highlighting
* validate drag only if from a selected cell or a selected element label
* add disk/swap/... (based on vmstat, iostat, netstat, ...) Linux module and also release in comp.os.linux.announce?
* make pies resizable
* prevent error when prematurely exiting html help
* in dnd stacked drops sites show highlighting residue when cursor is hovering over
* implement graph viewer x axis division depending on both poll time and plot area width
* in HTML help, make contents take 30 % of total height
* in HTML help, add forward and back arrows a la netscape
* in graphs, find a way to show unavailable value (void?) ({})
* in graphs, eliminate initial flat line
* normalize all viewer colors (background, ...) using tk widgets colors
* derive dataTable from viewer once data tables can be dynamically created
* eventually add table title bars through the internal window manager
* flat 0 curve is invisible (seems to be a BLT bug)
* determine a maximum size of canvas?
* implement canvas automatic scroll area resizing when objects are moved or created
* in message area, display "updating ..." until done in case of asynchronous operation
* add crossline with values displayed feature to graphs
* add zoom feature to graphs
* add a general configuration dialog box with tab widget
* allow selection of complete table lines and columns in 1 shot?
* add multiple table views: add duplicator drop site?
* add printing capability: anyone knows how to generate postscript for a tkTable?
* allow user to save its current viewer configuration (dashboard) in order to recall it later
  use flat files or a simple database such as gdbm? compatible with windows?
* add sub-modules? what is a sub-module?
* document getopt.tcl
