Returning the error position instead of a suffix of the original string (Issue 18)

1 files changed, 1 insertions, 1 deletions

diff --git a/lptree.c b/lptree.c
index 19d6b1a..810e267 100644
--- a/lptree.c
+++ b/lptree.c
@@ -1243,7 +1243,7 @@ static int lp_match (lua_State *L) {
   if (r == NULL) { /* labeled failure begin */
     lua_pushnil(L);
                 lua_pushinteger(L, labelf);     
-                lua_pushstring(L, sfail); /* Pushing the subject where the failure occurred */
+                lua_pushinteger(L, sfail - (s + i) + 1); /* subject position related to the error */
     return 3;
   }  /* labeled failure end */
   return getcaptures(L, s, r, ptop);