Comment on optionality of UCW::CGI::error_hook.

[libucw.git] / lib / unicode.h

diff --git a/lib/unicode.h b/lib/unicode.h
index 12c0fd049de3b3864db69bac92dedffdfb5a6b56..52ea5e687510c4ad1fdbefe6d602c30d5606a4b6 100644 (file)
--- a/lib/unicode.h
+++ b/lib/unicode.h
@@ -15,8 +15,8 @@
 
 #define UNI_REPLACEMENT 0xfffc
 
-/* Encode a character from the basic character set [0, 0xFFFF]
- * (subset of the formal Unicode range); up to 3 bytes needed (RFC2279) */
+/* Encode a character from the basic multilingual plane [0, 0xFFFF]
+ * (subset of Unicode 4.0); up to 3 bytes needed (RFC2279) */
 static inline byte *
 utf8_put(byte *p, uns u)
 {
@@ -37,7 +37,8 @@ utf8_put(byte *p, uns u)
   return p;
 }
 
-/* Encode a value from the range [0, 0x7FFFFFFF]; up to 6 bytes needed (RFC2279) */
+/* Encode a value from the range [0, 0x7FFFFFFF];
+ * (superset of Unicode 4.0) up to 6 bytes needed (RFC2279) */
 static inline byte *
 utf8_32_put(byte *p, uns u)
 {
@@ -79,7 +80,7 @@ put1: *p++ = 0x80 | (u & 0x3f);
 
 #define UTF8_GET_NEXT if (unlikely((*p & 0xc0) != 0x80)) goto bad; u = (u << 6) | (*p++ & 0x3f)
 
-/* Decode a character from the basic character set [0, 0xFFFF]
+/* Decode a character from the basic multilingual plane [0, 0xFFFF]
  * or return UNI_REPLACEMENT if the encoding has been corrupted */
 static inline byte *
 utf8_get(const byte *p, uns *uu)
@@ -211,6 +212,5 @@ utf8_encoding_len(uns c)
 
 uns utf8_strlen(const byte *str);
 uns utf8_strnlen(const byte *str, uns n);
-uns utf8_check(const byte *str);
 
 #endif