Function unrestrict_weapon_skill

src/weapon.c:1413–1421

* Change from restricted to unrestricted, allowing P_BASIC as max. This * function may be called with with P_NONE. Used in pray.c as well as below. */

 * function may be called with with P_NONE.  Used in pray.c as well as below.
 */
void
unrestrict_weapon_skill(int skill)
{
    if (skill < P_NUM_SKILLS && P_RESTRICTED(skill)) {
        P_SKILL(skill) = P_UNSKILLED;
        P_MAX_SKILL(skill) = P_BASIC;
        P_ADVANCE(skill) = 0;
    }
}

void
use_skill(int skill, int degree)