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+Regenerating Parser
+===================
+
+Make sure you use re2c 0.9.10 or higher:
+
+re2c -d -b -o ext/date/lib/parse_date.c ext/date/lib/parse_date.re
+re2c -d -b -o ext/date/lib/parse_iso_intervals.c ext/date/lib/parse_iso_intervals.re