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| author | Jörg Frings-Fürst <debian@jff.email> | 2018-07-08 23:15:22 +0200 |
|---|---|---|
| committer | Jörg Frings-Fürst <debian@jff.email> | 2018-07-08 23:15:22 +0200 |
| commit | 853c9cf3718db7c9f6d723e45031016231e1cbd1 (patch) | |
| tree | e6a5cafe819de3d14665da32bfd87259b089ec02 /doc/unitypes.texi | |
| parent | 7b350538dddb27a4513158cb6b6405b85f175ad1 (diff) | |
| parent | 10bd216b0099d2ae8cb22c664fb725165096f95c (diff) | |
Merge branch 'release/debian/0.9.10-1'debian/0.9.10-1
Diffstat (limited to 'doc/unitypes.texi')
| -rw-r--r-- | doc/unitypes.texi | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/doc/unitypes.texi b/doc/unitypes.texi index 696ba88..68ab92f 100644 --- a/doc/unitypes.texi +++ b/doc/unitypes.texi @@ -13,3 +13,15 @@ taken from @code{<stdint.h>}, on platforms where this include file is present. @deftp Type ucs4_t This type represents a single Unicode character, outside of an UTF-32 string. @end deftp + +The types @code{ucs4_t} and @code{uint32_t} happen to be identical. They differ +in use and intent, however: +@itemize @bullet +@item +Use @code{uint32_t *} to designate an UTF-32 string. Use @code{ucs4_t} to +designate a single Unicode character, outside of an UTF-32 string. +@item +Conversions functions that take an UTF-32 string as input will usually perform +a range-check on the @code{uint32_t} values. Whereas functions that are +declared to take @code{ucs4_t} arguments will not perform such a range-check. +@end itemize |