+/* Options always return true. They always take effect
+ * rather than being processed only when their place in the
+ * expression is reached.
+ */
+ /* Options */
+ if (parm == OPT_FOLLOW) {
+ dbg("follow enabled: %d", __LINE__);
+ G.recurse_flags |= ACTION_FOLLOWLINKS | ACTION_DANGLING_OK;
+ }
+#if ENABLE_FEATURE_FIND_XDEV
+ else if (parm == OPT_XDEV) {
+ dbg("%d", __LINE__);
+ G.xdev_on = 1;
+ }
+#endif
+#if ENABLE_FEATURE_FIND_MAXDEPTH
+ else if (parm == OPT_MINDEPTH || parm == OPT_MINDEPTH + 1) {
+ dbg("%d", __LINE__);
+ G.minmaxdepth[parm - OPT_MINDEPTH] = xatoi_positive(arg1);
+ }
+#endif
+#if ENABLE_FEATURE_FIND_DEPTH
+ else if (parm == OPT_DEPTH) {
+ dbg("%d", __LINE__);
+ G.recurse_flags |= ACTION_DEPTHFIRST;
+ }
+#endif
+/* Actions are grouped by operators
+ * ( expr ) Force precedence
+ * ! expr True if expr is false
+ * -not expr Same as ! expr
+ * expr1 [-a[nd]] expr2 And; expr2 is not evaluated if expr1 is false
+ * expr1 -o[r] expr2 Or; expr2 is not evaluated if expr1 is true
+ * expr1 , expr2 List; both expr1 and expr2 are always evaluated
+ * We implement: (), -a, -o
+ */
+ /* Operators */
+ else if (parm == PARM_a IF_DESKTOP(|| parm == PARM_and)) {
+ dbg("%d", __LINE__);