/* Search for STRING in the history list, starting at POS, an
absolute index into the list. DIR, if negative, says to search
backwards from POS, else forwards.
Returns the absolute index of the history element where STRING
was found, or -1 otherwise. */
/* Search for STRING in the history list, starting at POS, an
absolute index into the list. DIR, if negative, says to search
backwards from POS, else forwards.
Returns the absolute index of the history element where STRING
was found, or -1 otherwise. */