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* doc/lispintro/emacs-lisp-intro.texi (Data types):

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Improve documentation of 'substring'.
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Xue Fuqiao 2015-06-25 10:23:03 +08:00
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10
doc/lispintro/emacs-lisp-intro.texi
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@ -1947,10 +1947,12 @@ The value produced by evaluating this expression is @code{"abcdef"}.
A function such as @code{substring} uses both a string and numbers as
arguments. The function returns a part of the string, a substring of
the first argument. This function takes three arguments. Its first
argument is the string of characters, the second and third arguments are
numbers that indicate the beginning and end of the substring. The
numbers are a count of the number of characters (including spaces and
punctuation) from the beginning of the string.
argument is the string of characters, the second and third arguments
are numbers that indicate the beginning (inclusive) and end
(exclusive) of the substring. The numbers are a count of the number
of characters (including spaces and punctuation) from the beginning of
the string. Note that the characters in a string are numbered from
zero, not one.
@need 800
For example, if you evaluate the following: