Hello All!
According to JAR /?, there are four levels of compression:
   m: with Method 1, 2, 3, 4
      m1: fast compression
      m2: normal compression
      m3: better compression
      m4: best compression
However, in practice, there appear to be five levels.  Here's the current 
FIDO Nodelist.094 compressed, first without "mn" switch, then "m1" to "m4" as 
indicated in the filename:
        NL_JAR-- JAR       905,832
        NL_JARM1 JAR       884,861
        NL_JARM2 JAR       864,000
        NL_JARM3 JAR       852,081
        NL_JARM4 JAR       849,345
In the above example, JAR without the "mn" switch had the least compression. 
However, at other times I've noticed that it would actually rank _between_ 
"m1" and "m2".  Strange :-)
Cheers, Hans
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