#define isBLANK_LC_uni(c) isBLANK(c) /* could be wrong */
#define isALNUM_utf8(p) is_utf8_alnum(p)
-#define isIDFIRST_utf8(p) is_utf8_idfirst(p)
+/* The ID_Start of Unicode is quite limiting: it assumes a L-class
+ * character (meaning that you cannot have, say, a CJK character).
+ * Instead, let's allow ID_Continue but not digits. */
+#define isIDFIRST_utf8(p) (is_utf8_idcont(p) && !is_utf8_digit(p))
#define isALPHA_utf8(p) is_utf8_alpha(p)
#define isSPACE_utf8(p) is_utf8_space(p)
#define isDIGIT_utf8(p) is_utf8_digit(p)
=for apidoc Am|void|StructCopy|type src|type dest|type
This is an architecture-independent macro to copy one structure to another.
-=cut
-*/
+=for apidoc Am|void|Poison|void* dest|int nitems|type
+
+Fill up memory with a pattern (byte 0xAB over and over again) that
+hopefully catches attempts to access uninitialized memory.
+
+=cut */
#ifndef lint
#define Copy(s,d,n,t) (void)memcpy((char*)(d),(char*)(s), (n) * sizeof(t))
#define Zero(d,n,t) (void)memzero((char*)(d), (n) * sizeof(t))
+#define Poison(d,n,t) (void)memset((char*)(d), 0xAB, (n) * sizeof(t))
+
#else /* lint */
#define New(x,v,n,s) (v = Null(s *))
#define Move(s,d,n,t)
#define Copy(s,d,n,t)
#define Zero(d,n,t)
+#define Poison(d,n,t)
#define Safefree(d) (d) = (d)
#endif /* lint */