Merge branch 'cmd/print--unique'

* cmd/print--unique:
  doc, change help text for -u|--unique
  minor, use ctl_caev_equal_p() as predicate for uniqueness in printers

src/cattle.c

@@ -1365,7 +1365,7 @@ ctl_print_raw(struct ctl_ctx_s ctx[static 1U], bool uniqp, bool revp)
 
 		if (uniqp) {
 			if (echs_instant_eq_p(prev_t, t) &&
-			    ctl_caev_eq_p(this, prev)) {
+			    ctl_caev_equal_p(this, prev)) {
 				/* completely identical */
 				continue;
 			}
@@ -1401,7 +1401,7 @@ ctl_print_sum(struct ctl_ctx_s ctx[static 1U], bool uniqp, bool revp)
 
 		if (uniqp) {
 			if (echs_instant_eq_p(prev_t, t) &&
-			    ctl_caev_eq_p(this, prev)) {
+			    ctl_caev_equal_p(this, prev)) {
 				/* completely identical */
 				continue;
 			}
@@ -1446,7 +1446,7 @@ ctl_print_kv(struct ctl_ctx_s ctx[static 1U], bool uniqp)
 			ctl_caev_t this_c = ctl_kvv_get_caev(this);
 
 			if (echs_instant_eq_p(prev_t, t) &&
-			    ctl_caev_eq_p(this_c, prev_c)) {
+			    ctl_caev_equal_p(this_c, prev_c)) {
 				continue;
 			}
 			/* store actor representation for the next round */

src/cattle.yuck

@@ -40,8 +40,8 @@ Print resulting actors of caev echse messages.
   -S, --summary         Roll all CA events into one.
   -R, --reverse         Invert CA events, implies -r|--raw.
   -r, --raw             Print raw actors.
-  -u, --unique          Assume that only one CA event will occur at any
-                        one date/time.
+  -u, --unique          Consider two CA events that do the same
+                        equivalent and print only the first one.
 
 
 Usage: cattle exp TIME-SERIES-FILE [CAEV-FILE]...