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Diffstat (limited to 'doc/unicase.texi')
| -rw-r--r-- | doc/unicase.texi | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/doc/unicase.texi b/doc/unicase.texi index 6fa86c7..e4ccdf8 100644 --- a/doc/unicase.texi +++ b/doc/unicase.texi @@ -19,6 +19,7 @@ Greek sigma and the Lithuanian i correctly. @node Case mappings of characters @section Case mappings of characters +@cindex Unicode character, case mappings The following functions implement case mappings on Unicode characters --- for those cases only where the result of the mapping is a again a single Unicode character. @@ -46,6 +47,10 @@ Returns the titlecase mapping of the Unicode character @var{uc}. @node Case mappings of strings @section Case mappings of strings +@cindex case mappings +@cindex uppercasing +@cindex lowercasing +@cindex titlecasing Case mapping should always be performed on entire strings, not on individual characters. The functions in this sections do so. @@ -56,6 +61,7 @@ a character, U+00C4 @sc{LATIN CAPITAL LETTER A WITH DIAERESIS} and U+0041 @sc{LATIN CAPITAL LETTER A} U+0308 @sc{COMBINING DIAERESIS} the same. The @var{nf} argument designates the normalization. +@cindex locale language These functions are locale dependent. The @var{iso639_language} argument identifies the language (e.g. @code{"tr"} for Turkish). NULL means to use locale independent case mappings. @@ -95,6 +101,8 @@ case-mapping. It can also be NULL, for no normalization. @node Case insensitive comparison @section Case insensitive comparison +@cindex comparing, ignoring case +@cindex comparing, ignoring normalization and case The following functions implement comparison that ignores differences in case and normalization. @@ -125,6 +133,10 @@ If successful, sets @code{*@var{resultp}} to -1 if @var{s1} < @var{s2}, Upon failure, returns -1 with @code{errno} set. @end deftypefun +@cindex comparing, ignoring case, with collation rules +@cindex comparing, with collation rules, ignoring case +@cindex comparing, ignoring normalization and case, with collation rules +@cindex comparing, with collation rules, ignoring normalization and case The following functions additionally take into account the sorting rules of the current locale. @@ -160,6 +172,8 @@ Upon failure, returns -1 with @code{errno} set. @node Case detection @section Case detection +@cindex case detection +@cindex detecting case The following functions determine whether a Unicode string is entirely in upper case. or entirely in lower case, or entirely in title case, or already case-folded. |