[ROOT] conflict in interpreting ls(Option_t)

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There appears to be a conflict in how various components use the Option_t
arg of the "ls" method.  In particular TGeometry picks out individual
characters in deciding what parts to display (r=rotations, s=shapes,
n=nodes).  Each of these components is a list, which it call ls() on.
But then it passes on the input Option_t arg to this call.  Alas:

cvs log TCollection: (from whence TList gets it's ls() method)
 | revision 1.12
 | date: 2000/12/26 14:17:57;  author: brun;  state: Exp;  lines: +44 -5
 | Support for wildcarding in functions Draw, ls and Print.

means that TCollection attempts to use that arg for matching components.
This means that TGeometry.ls("rsn2") fails to give anything meaningful
because no rotations, shapes or nodes are named "rsn2".

-robert

Robert W. Hatcher   |  rhatcher@slac.stanford.edu
Research Associate  |  650.926.3171  [FAX 4001 or 3587]
Stanford University |  PO Box 4349, MS #63, Stanford CA 94309

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