Update to SCons 1.2.0.

third_party/scons/scons-local/SCons/PathList.py

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-__revision__ = "src/engine/SCons/PathList.py 3603 2008/10/10 05:46:45 scons"
+__revision__ = "src/engine/SCons/PathList.py 3842 2008/12/20 22:59:52 scons"
 
 __doc__ = """SCons.PathList
 
 A module for handling lists of directory paths (the sort of things
 that get set as CPPPATH, LIBPATH, etc.) with as much caching of data and
 efficiency as we can while still keeping the evaluation delayed so that we
 Do the Right Thing (almost) regardless of how the variable is specified.
 
 """
 
@@ skipping 182 matching lines @@
         result = _PathList(pathlist)
 
         memo_dict[pathlist] = result
 
         return result
 
 PathList = PathListCache().PathList
 
 
 del PathListCache