bug#11862: [PATCH 2/9] doc/lispref/intro.texi: `can' -> `may'

[Richard Stallman]

       The keyword @code{&rest} (which must be followed by a single
    -argument name) indicates that any number of arguments can follow.  The
    +argument name) indicates that any number of arguments may follow.

The old text is correct.  Replacing it with "may" is not wrong, but it
adds a formality that we try to avoid in GNU manuals.

So please don't make this change.

--
Dr Richard Stallman
President, Free Software Foundation
51 Franklin St
Boston MA 02110
USA
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