commit - 13efde33b7b447d7c224632ab895efd18662dc9e
commit + d6b8218a2b8ddb3ccec75f7eda1298d0309be0a7
blob - 0ac282cf73284d376a6eff871018ae760d015458
blob + 2326eccbc587fc907ccbb28b94c613242803e6fc
--- nfa.c
+++ nfa.c
@@ -547,7 +547,7 @@ nfastart(struct prep *pr, sub_t *sub, out_t *out, void
 	pr->out = out;
 	pr->env = env;
 	pr->pos = 0;
-	pr->match = -1;		/* no match */
+	pr->match = -1;		/* no match (yet) */
 	pr->active = 1;
 
 	memset(pr->act.bits, 0, pr->act.sz * sizeof(bunch_t));
@@ -747,7 +747,7 @@ generate(struct prep *pr, const struct set *act, struc
  * run the automaton for one iteration, either consuming input, generating
  * output or failing.
  *
- * returns the number of input characters consumed or -1 if stuck.
+ * returns the number (0 or 1) of input symbols consumed or -1 if stuck.
  */
 static int
 nfastep(struct prep *pr, int x, struct set *act, struct set *next)
@@ -812,8 +812,8 @@ nfaend(struct prep *pr)
 }
 
 int
-nfarun_(struct prep *pr,
-    sub_t *sub, out_t *out, void *env, const char *inp, size_t sz)
+nfarun_(struct prep *pr, sub_t *sub, out_t *out, void *env,
+    const char *inp, size_t sz)
 {
 	nfastart(pr, sub, out, env);
 	nfacont(pr, inp, sz);