5/24    ~ilyas/pub/listcompression.txt.  Anyone have insight into this problem?
        (I am nowhere near the answer myself).  -- ilyas
        \_ in what real life problem did this come up? -ali
           \_ This comes up in rule-processing.  But I hope the problem is
              interesting in its own right. -- ilyas
              \_ [blather restored]
              \_ it's not interesting. -ali
                 \_ yes it is. --ilyas
                    \_ no it isn't. -ali
                       \_ are you prepared to explain why? --ilyas
                          \_ are you prepared to suck my dick? -ali
                             \_ is that an objective insult? --ilyas
                                \_ no it's a contrived one. -ali
                                   \_ don't you mean, contrived to you?   --il
                                      \_ no, i mean contrived in an absolute...
                                         \_ how do you plan to suck my dick? -
                                            \_ ... [etc.]
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