+
+char *
+Perl_mem_collxfrm(pTHX_ const char *input_string, STRLEN len, STRLEN *xlen)
+{
+ /* This function is retained for compatibility in case someone outside core
+ * is using this (but it is undocumented) */
+
+ PERL_ARGS_ASSERT_MEM_COLLXFRM;
+
+ return _mem_collxfrm(input_string, len, xlen, FALSE);
+}
+