updated for version 7.3.1146 Problem: New regexp engine: look-behind match not checked when followed by zero-width match. Solution: Do the look-behind match before adding the zero-width state.

# The most simplistic Makefile, for DJGPP on MS-DOS

CFLAGS = -O2 -Wall

xxd.exe: xxd.c
	gcc $(CFLAGS) -s -o xxd.exe xxd.c -lpc

clean:
	del xxd.exe