REP 930 regex/regcomp.c switch (REP(MAP(from), MAP(to))) {
REP 931 regex/regcomp.c case REP(0, 0): /* must be user doing this */
REP 934 regex/regcomp.c case REP(0, 1): /* as x{1,1}? */
REP 935 regex/regcomp.c case REP(0, N): /* as x{1,n}? */
REP 936 regex/regcomp.c case REP(0, INF): /* as x{1,}? */
REP 946 regex/regcomp.c case REP(1, 1): /* trivial case */
REP 949 regex/regcomp.c case REP(1, N): /* as x?x{1,n-1} */
REP 961 regex/regcomp.c case REP(1, INF): /* as x+ */
REP 965 regex/regcomp.c case REP(N, N): /* as xx{m-1,n-1} */
REP 969 regex/regcomp.c case REP(N, INF): /* as xx{n-1,INF} */