updated tree

src/scores.re.c

@@ -213,6 +213,7 @@ int main(void) {
 	/* Set score to zero to verify count with paper journal. */
 	for(size_t i = 0; i < scrs.list.size; i++) scrs.list.data[i].tempscore = 0;
 
+	/* 840 with legend; only useful to me. */
 	printf("set terminal pngcairo dashed transparent truecolor"
 		" size 840, 480 fontscale 1\n"
 		"set output \"score.png\"\n");
@@ -250,6 +251,7 @@ int main(void) {
 		"set key out reverse Left noautotitle\n"
 		"set style fill solid 0.5\n"
 		"unset border\n"
+		"unset key\n"
 		"set autoscale xfix # max? hack: can't get x to extend further\n"
 		"\n"
 		/*"set label sprintf(\"%%u cumulative words (duplicate verses counted)\","

src/tree.h

@@ -1610,8 +1610,6 @@ static void PBT_(to_string)(const struct PB_(ref) *const r,
 	BT_(to_string)(r->node->key[r->idx], a);
 #endif
 }
-#define TO_STRING_LEFT '{'
-#define TO_STRING_RIGHT '}'
 #include "to_string.h" /** \include */
 #undef TREE_TO_STRING
 #ifndef TREE_TRAIT