BugFix: The rule a-c1 =op= c2 and a+c1 =op= c1 work only for =op= == and !=
[libfirm] / filter.sed
1 s/#undef  *\([A-Za-z][A-Za-z_]*\)/#undef \1/
2 s/#define  *\([A-Za-z][A-Za-z_]*\)\(.*\)/#ifndef \1 \
3 #define \1 \2 \
4 #endif/