Description:
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In the description of the function constant(),
what the word "it" points is unclear or mistranslated.

http://jp.php.net/manual/ja/function.constant.php

Reproduce code:
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constant() is useful if you need to retrieve the value of a constant, but do not know its name.
I.e. it is stored in a variable or returned by a function. 

Expected result:
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constant() ?͂????萔?̒l???擾?????K?v?????邪?A ???̖??O???s???ȏꍇ?ɗL?p?ł??B
?????́A?萔?????ϐ??ɕۑ??????Ă??邩?A ?֐??ɂ????Ԃ????邩?̏ꍇ?ł??B

Actual result:
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constant() ?͂????萔?̒l???擾?????K?v?????邪?A ???̖??O???s???ȏꍇ?ɗL?p?ł??B
?????́A?萔???ϐ??ɕۑ??????Ă??邩?A ?֐??ɂ????Ԃ????邩?̏ꍇ?ł??B