Helmut Eller wrote:

You could make a normal reader macro ? that does half of the work so
that the combination ,@? does the same as your ,?.  That would only be
one character longer but it's fully portable.  
  
You might want to use RG's thing that makes reader
macros only apply when in certain packages, so that
you can compile libraries that use "?" in its ordinary way.

-- Dan
Helmut


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