/* Insert the new element ELEM to the re_node_set* SET.
SET should not already have ELEM.
- return -1 if an error is occured, return 1 otherwise. */
+ return -1 if an error has occurred, return 1 otherwise. */
static int
internal_function
/* Insert the new element ELEM to the re_node_set* SET.
SET should not already have any element greater than or equal to ELEM.
- Return -1 if an error is occured, return 1 otherwise. */
+ Return -1 if an error has occurred, return 1 otherwise. */
static int
internal_function
\f
/* Add the token TOKEN to dfa->nodes, and return the index of the token.
- Or return -1, if an error will be occured. */
+ Or return -1, if an error has occurred. */
static int
internal_function