+/* Unicode character values. */
+enum
+{
+ NO_BREAK_SPACE = 0x00A0,
+ SOFT_HYPHEN = 0x00AD,
+ ZERO_WIDTH_NON_JOINER = 0x200C,
+ ZERO_WIDTH_JOINER = 0x200D,
+ HYPHEN = 0x2010,
+ NON_BREAKING_HYPHEN = 0x2011,
+ LEFT_SINGLE_QUOTATION_MARK = 0x2018,
+ RIGHT_SINGLE_QUOTATION_MARK = 0x2019,
+ PARAGRAPH_SEPARATOR = 0x2029,
+ LEFT_POINTING_ANGLE_BRACKET = 0x2329,
+ RIGHT_POINTING_ANGLE_BRACKET = 0x232A,
+ LEFT_ANGLE_BRACKET = 0x3008,
+ RIGHT_ANGLE_BRACKET = 0x3009,
+ OBJECT_REPLACEMENT_CHARACTER = 0xFFFC,
+};
+
+/* UTF-8 encodings. Use \x escapes, so they are portable to pre-C11
+ compilers and can be concatenated with ordinary string literals. */
+#define uLSQM "\xE2\x80\x98" /* U+2018 LEFT SINGLE QUOTATION MARK */
+#define uRSQM "\xE2\x80\x99" /* U+2019 RIGHT SINGLE QUOTATION MARK */
+