+2014-05-03 Daiki Ueno <ueno@gnu.org>
+
+ c: Support C99-style Unicode character escapes
+ * x-c.c: Include assert.h and po-charset.h.
+ (P7_QUOTES, P7_QUOTE, P7_NEWLINE): Redefine as a negative integer.
+ (P7_EOF, P7_STRING_END): New definitions.
+ (UNICODE): New macro.
+ (IS_UNICODE): New macro.
+ (UNICODE_VALUE): New macro.
+ (phase7_getc): Recognize "\unnnn" and "\Unnnnnnnn".
+ (phase5_get): Use mixed_string_buffer for parse string literal.
+
2014-05-02 Daiki Ueno <ueno@gnu.org>
vala: Support C99-style Unicode character escapes