diff --git a/Parser/acceler.c b/Parser/acceler.c
index b41b265..9b14263 100644
--- a/Parser/acceler.c
+++ b/Parser/acceler.c
@@ -23,103 +23,103 @@
 void
 PyGrammar_AddAccelerators(grammar *g)
 {
-	dfa *d;
-	int i;
-	d = g->g_dfa;
-	for (i = g->g_ndfas; --i >= 0; d++)
-		fixdfa(g, d);
-	g->g_accel = 1;
+    dfa *d;
+    int i;
+    d = g->g_dfa;
+    for (i = g->g_ndfas; --i >= 0; d++)
+        fixdfa(g, d);
+    g->g_accel = 1;
 }
 
 void
 PyGrammar_RemoveAccelerators(grammar *g)
 {
-	dfa *d;
-	int i;
-	g->g_accel = 0;
-	d = g->g_dfa;
-	for (i = g->g_ndfas; --i >= 0; d++) {
-		state *s;
-		int j;
-		s = d->d_state;
-		for (j = 0; j < d->d_nstates; j++, s++) {
-			if (s->s_accel)
-				PyObject_FREE(s->s_accel);
-			s->s_accel = NULL;
-		}
-	}
+    dfa *d;
+    int i;
+    g->g_accel = 0;
+    d = g->g_dfa;
+    for (i = g->g_ndfas; --i >= 0; d++) {
+        state *s;
+        int j;
+        s = d->d_state;
+        for (j = 0; j < d->d_nstates; j++, s++) {
+            if (s->s_accel)
+                PyObject_FREE(s->s_accel);
+            s->s_accel = NULL;
+        }
+    }
 }
 
 static void
 fixdfa(grammar *g, dfa *d)
 {
-	state *s;
-	int j;
-	s = d->d_state;
-	for (j = 0; j < d->d_nstates; j++, s++)
-		fixstate(g, s);
+    state *s;
+    int j;
+    s = d->d_state;
+    for (j = 0; j < d->d_nstates; j++, s++)
+        fixstate(g, s);
 }
 
 static void
 fixstate(grammar *g, state *s)
 {
-	arc *a;
-	int k;
-	int *accel;
-	int nl = g->g_ll.ll_nlabels;
-	s->s_accept = 0;
-	accel = (int *) PyObject_MALLOC(nl * sizeof(int));
-	if (accel == NULL) {
-		fprintf(stderr, "no mem to build parser accelerators\n");
-		exit(1);
-	}
-	for (k = 0; k < nl; k++)
-		accel[k] = -1;
-	a = s->s_arc;
-	for (k = s->s_narcs; --k >= 0; a++) {
-		int lbl = a->a_lbl;
-		label *l = &g->g_ll.ll_label[lbl];
-		int type = l->lb_type;
-		if (a->a_arrow >= (1 << 7)) {
-			printf("XXX too many states!\n");
-			continue;
-		}
-		if (ISNONTERMINAL(type)) {
-			dfa *d1 = PyGrammar_FindDFA(g, type);
-			int ibit;
-			if (type - NT_OFFSET >= (1 << 7)) {
-				printf("XXX too high nonterminal number!\n");
-				continue;
-			}
-			for (ibit = 0; ibit < g->g_ll.ll_nlabels; ibit++) {
-				if (testbit(d1->d_first, ibit)) {
-					if (accel[ibit] != -1)
-						printf("XXX ambiguity!\n");
-					accel[ibit] = a->a_arrow | (1 << 7) |
-						((type - NT_OFFSET) << 8);
-				}
-			}
-		}
-		else if (lbl == EMPTY)
-			s->s_accept = 1;
-		else if (lbl >= 0 && lbl < nl)
-			accel[lbl] = a->a_arrow;
-	}
-	while (nl > 0 && accel[nl-1] == -1)
-		nl--;
-	for (k = 0; k < nl && accel[k] == -1;)
-		k++;
-	if (k < nl) {
-		int i;
-		s->s_accel = (int *) PyObject_MALLOC((nl-k) * sizeof(int));
-		if (s->s_accel == NULL) {
-			fprintf(stderr, "no mem to add parser accelerators\n");
-			exit(1);
-		}
-		s->s_lower = k;
-		s->s_upper = nl;
-		for (i = 0; k < nl; i++, k++)
-			s->s_accel[i] = accel[k];
-	}
-	PyObject_FREE(accel);
+    arc *a;
+    int k;
+    int *accel;
+    int nl = g->g_ll.ll_nlabels;
+    s->s_accept = 0;
+    accel = (int *) PyObject_MALLOC(nl * sizeof(int));
+    if (accel == NULL) {
+        fprintf(stderr, "no mem to build parser accelerators\n");
+        exit(1);
+    }
+    for (k = 0; k < nl; k++)
+        accel[k] = -1;
+    a = s->s_arc;
+    for (k = s->s_narcs; --k >= 0; a++) {
+        int lbl = a->a_lbl;
+        label *l = &g->g_ll.ll_label[lbl];
+        int type = l->lb_type;
+        if (a->a_arrow >= (1 << 7)) {
+            printf("XXX too many states!\n");
+            continue;
+        }
+        if (ISNONTERMINAL(type)) {
+            dfa *d1 = PyGrammar_FindDFA(g, type);
+            int ibit;
+            if (type - NT_OFFSET >= (1 << 7)) {
+                printf("XXX too high nonterminal number!\n");
+                continue;
+            }
+            for (ibit = 0; ibit < g->g_ll.ll_nlabels; ibit++) {
+                if (testbit(d1->d_first, ibit)) {
+                    if (accel[ibit] != -1)
+                        printf("XXX ambiguity!\n");
+                    accel[ibit] = a->a_arrow | (1 << 7) |
+                        ((type - NT_OFFSET) << 8);
+                }
+            }
+        }
+        else if (lbl == EMPTY)
+            s->s_accept = 1;
+        else if (lbl >= 0 && lbl < nl)
+            accel[lbl] = a->a_arrow;
+    }
+    while (nl > 0 && accel[nl-1] == -1)
+        nl--;
+    for (k = 0; k < nl && accel[k] == -1;)
+        k++;
+    if (k < nl) {
+        int i;
+        s->s_accel = (int *) PyObject_MALLOC((nl-k) * sizeof(int));
+        if (s->s_accel == NULL) {
+            fprintf(stderr, "no mem to add parser accelerators\n");
+            exit(1);
+        }
+        s->s_lower = k;
+        s->s_upper = nl;
+        for (i = 0; k < nl; i++, k++)
+            s->s_accel[i] = accel[k];
+    }
+    PyObject_FREE(accel);
 }