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 2019-06-21         Arnold D. Robbins     <arnold@skeeve.com>
 
 	* config.guess, config.sub: Updated from GNULIB.
+	* awkgram.y (get_src_buf): Set buffers to zero to avoid
+	possible issues with accessing uninitialized memory.
+	Thanks to valgrind, as pointed out by Nadezhda Vyukova
+	<qniva@yandex.ru>.
 
 2019-06-19         Arnold D. Robbins     <arnold@skeeve.com>