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; * doc/lispref/strings.texi (Text Comparison): Improve indexing.

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Eli Zaretskii 2024-08-16 14:05:20 +03:00
parent 45a78ec6c5
commit 3fc1635783
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doc/lispref/strings.texi
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@ -487,7 +487,9 @@ null characters. It may also change @var{string}'s length.
@section Comparison of Characters and Strings
@cindex string equality
@cindex text comparison
@cindex string comparison
@cindex compare characters
@defun char-equal character1 character2
This function returns @code{t} if the arguments represent the same
character, @code{nil} otherwise. This function ignores differences
@ -502,6 +504,7 @@ in case if @code{case-fold-search} is non-@code{nil}.
@end example
@end defun
@cindex compare strings
@defun string-equal string1 string2
This function returns @code{t} if the characters of the two strings
match exactly. Symbols are also allowed as arguments, in which case
@ -534,6 +537,7 @@ character codes all being in the range 0--127 (@acronym{ASCII}).
@code{string=} is another name for @code{string-equal}.
@end defun
@cindex case-insensitive string comparison
@defun string-equal-ignore-case string1 string2
@code{string-equal-ignore-case} compares strings ignoring case
differences, like @code{char-equal} when @code{case-fold-search} is
@ -665,6 +669,7 @@ This function returns the result of comparing @var{string1} and
@end defun
@cindex locale-dependent string comparison
@cindex string collation
@defun string-collate-lessp string1 string2 &optional locale ignore-case
This function returns @code{t} if @var{string1} is less than
@var{string2} in collation order of the specified @var{locale}, which
@ -719,6 +724,8 @@ If your system does not support a locale environment, this function
behaves like @code{string-lessp}.
@end defun
@cindex version comparison
@cindex comparing version strings
@defun string-version-lessp string1 string2
This function compares strings lexicographically, except it treats
sequences of numerical characters as if they comprised a base-ten
@ -727,6 +734,7 @@ number, and then compares the numbers. So @samp{foo2.png} is
@samp{12} is lexicographically ``smaller'' than @samp{2}.
@end defun
@cindex string starts with prefix
@defun string-prefix-p string1 string2 &optional ignore-case
This function returns non-@code{nil} if @var{string1} is a prefix of
@var{string2}; i.e., if @var{string2} starts with @var{string1}. If
@ -734,6 +742,7 @@ the optional argument @var{ignore-case} is non-@code{nil}, the
comparison ignores case differences.
@end defun
@cindex string ends with suffix
@defun string-suffix-p suffix string &optional ignore-case
This function returns non-@code{nil} if @var{suffix} is a suffix of
@var{string}; i.e., if @var{string} ends with @var{suffix}. If the