X-Git-Url: https://perl5.git.perl.org/perl5.git/blobdiff_plain/78a0d3cc3d649167a7a58cbe7d5f494d42d154bd..5810a9df535b520e92fdee246a94d22d00cd0aad:/utf8.h

diff --git a/utf8.h b/utf8.h
index aa0f0c7..c40fb58 100644
--- a/utf8.h
+++ b/utf8.h
@@ -16,6 +16,9 @@
 #    define USE_UTF8_IN_NAMES (PL_hints & HINT_UTF8)
 #endif
 
+#define to_uni_fold(c, p, lenp) _to_uni_fold_flags(c, p, lenp, 1)
+#define to_utf8_fold(c, p, lenp) _to_utf8_fold_flags(c, p, lenp, 1)
+
 /* Source backward compatibility. */
 #define uvuni_to_utf8(d, uv)		uvuni_to_utf8_flags(d, uv, 0)
 #define is_utf8_string_loc(s, len, ep)	is_utf8_string_loclen(s, len, ep, 0)
@@ -226,8 +229,9 @@ Perl's extended UTF-8 means we can have start bytes up to FF.
  * version.  An example of maximal expansion is the U+03B0 which
  * uppercases to U+03C5 U+0308 U+0301.  The Unicode databases that
  * tell these things are UnicodeData.txt, CaseFolding.txt, and
- * SpecialCasing.txt. */
-#define UTF8_MAXBYTES_CASE	6
+ * SpecialCasing.txt.  The value is 6 for strict Unicode characters, but it has
+ * to be as big as Perl allows for a single character */
+#define UTF8_MAXBYTES_CASE	UTF8_MAXBYTES
 
 /* A Unicode character can fold to up to 3 characters */
 #define UTF8_MAX_FOLD_CHAR_EXPAND 3
@@ -426,6 +430,7 @@ Perl's extended UTF-8 means we can have start bytes up to FF.
 #define GREEK_SMALL_LETTER_MU                   0x03BC
 #define GREEK_CAPITAL_LETTER_MU 0x039C	/* Upper and title case of MICRON */
 #define LATIN_CAPITAL_LETTER_Y_WITH_DIAERESIS 0x0178	/* Also is title case */
+#define LATIN_CAPITAL_LETTER_SHARP_S	0x1E9E
 
 #define UNI_DISPLAY_ISPRINT	0x0001
 #define UNI_DISPLAY_BACKSLASH	0x0002
@@ -436,6 +441,8 @@ Perl's extended UTF-8 means we can have start bytes up to FF.
 #   define LATIN_SMALL_LETTER_SHARP_S	0x00DF
 #   define LATIN_SMALL_LETTER_Y_WITH_DIAERESIS 0x00FF
 #   define MICRO_SIGN 0x00B5
+#   define LATIN_CAPITAL_LETTER_A_WITH_RING_ABOVE 0x00C5
+#   define LATIN_SMALL_LETTER_A_WITH_RING_ABOVE 0x00E5
 #endif
 
 #define ANYOF_FOLD_SHARP_S(node, input, end)	\