do not lex multiple times $

1 files changed, 2 insertions, 2 deletions

diff --git a/miniyacc.c b/miniyacc.c
index 3de2ca0..b01921f 100644
--- a/miniyacc.c
+++ b/miniyacc.c
@@ -1283,10 +1283,10 @@ char *code0[] = {
 "\n",
 "	ps = stk;\n",
 "	ps->state = s = yyini;\n",
-"	tk = 0;\n",
+"	tk = -1;\n",
 "loop:\n",
 "	n = yyadsp[s];\n",
-"	if (tk <= 0 && n > -yyntoks)\n",
+"	if (tk < 0 && n > -yyntoks)\n",
 "		tk = yytrns[yylex()];\n",
 "	n += tk;\n",
 "	if (n < 0 || n >= ActSz || yychk[n] != tk) {\n",