Hans Hagen wrote:
> input shouldn't contain such ligatures and if it does, it might be with a > purpose I cannot agree with the first part of that statement, although I do with the second. In a Unicode world (into which we are emerging, from a very long period in the Dark Ages), any character that is in the Unicode character set must be valid in an input document. It may well be that TeX-based engines that use Unicode will have to evolve further to handle the complexities that will undoubtedly arise. Philip Taylor
