In @root arguments (which become the last component of the file name),
the tangle.setRootFromText() method iremoves surrounding character
pairs <> and "", but not '', then removes any leading and trailing
whitespace.

In @path arguments, the the g.stripPathCruft() method removes
character pairs <>, "", and '', then removes any leading and trailing
whitespace.

I urge that the behavior be made consistent.

Which way should it go?

Since @root is much less used than @path, there's a strong argument
for using the @path convention.

Were I designing things from the beginning, I'd give a function to the
quoting characters pairs that they suppress the leading and trailing
whitespace removal - if you want whitespace removal from around the
file name, don't quote it! (These quotes currently don't prevent or
prescribe any other interpolation, e.g., by os.expanduser.)

I'd very much like to hear your opinion, but if I don't hear anything
in three or four days, I'll feel free commit to the trunk whatever
strikes me as best at that time ;-)

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