/rhino/xmlimplsrc/org/mozilla/javascript/xmlimpl/XMLName.java
if ( c == '_') {
if ( c >= 'a' ) {
|| (0xF900 <= c && c <= 0xFDCF) || (0xFDF0 <= c && c <= 0xFFFD) || (0x10000 <= c && c <= 0xEFFFF); } private static boolean isNCNameChar(int c) { if ((c & ~0x7F) == 0) { <extra_id_0> return c <= 'z'; } else if (c >= 'A') { if (c <= 'Z') { return true; } return c == '_';