Michael Montague scripsit:

> I propose dropping the requirement that 'regexp' can be called with
> an already compiled <re>. It provides no additional functionality
> and it makes the specification of 'regexp' less clear.

It provides the ability to compile repeatedly used parts of regular
expressions.  In a context where a large number of regular expressions
are in use that have factors in common, this can save a good deal of
time and possibly space.

--
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