We don't have a list of details what's fine & wrong with all the known software to run or fail with LessTif. Specific known problems with our libraries or clients should be reported via our bug tracking facility on SF. If that doesn't work out you may simply send us an email to our mailinglist.
For more general information about LessTif, you may want to read the FAQ. It has a section about Platform-specific Issues and also addresses some problems which you might run across when installing LessTif.
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