2. The {pstricks} package is certainly powerful enough to create any conceivable kind of graphic, but it is not portable at all. Most importantly, it does not work with pdftex nor with any other driver that produces anything but PostScript code. The pgf package is a trade-off between ...
Clearly, TEX has to apply its algorithms in a systematic way and will need to process the entire table to make its final calculations—to determine all column widths, the total width of the table and, if required, the amount by which flexible glues used in the table have to stretch or ...