What does this line in Moodle docs mean?

What does this line in Moodle docs mean?

by Matt Bury -
Number of replies: 0
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Hi,

I'm an EFL/ESL teacher and I can't work this one out:

* isguest() replaces by isguestuser() or has course:view/require login check

Does it mean:
* isguest() is replaced by isguestuser() or has course:view/require login check

or:
* isguest() replaces isguestuser() or has course:view/require login check

Please let me know.

BTW it's here: http://docs.moodle.org/en/Development:Enrolment_plugins_2.0#Remove_direct_checking_of_legacy:guest_capability

Thanks in advance!
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