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On 23-Oct-05, at 11:15 AM, Roberto Ierusalimschy wrote:

The value for each table entry is already individualized for one
particular string (the key). If that entry is a function, it will be
called always with the same argument. Unless there is some kind of
side-effect, there seems to be no point calling the function.

... unless it's still called (as current gsub function arguments are) with *all* the captures.