X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=www%2Fjs%2Fremoteglot.js;h=e7a0453fd90569488cb10a761a6ac7830e8967ab;hb=c17cb0c030ad2b4eb8493fbbc6aba34b68afacb6;hp=d63b3789d07b0440372749e8228fb565f35d180c;hpb=6e3319a9752514ca6351b0175e31ef7a2e4ad84b;p=remoteglot

diff --git a/www/js/remoteglot.js b/www/js/remoteglot.js
index d63b378..e7a0453 100644
--- a/www/js/remoteglot.js
+++ b/www/js/remoteglot.js
@@ -414,6 +414,9 @@ var print_pv = function(line_num, pretty_pv, move_num, toplay, opt_limit, opt_sh
 		// the UI should be to expand the history.
 		pv = '(<a class="move" href="javascript:collapse_history(false)">…</a>) ';
 		i = pretty_pv.length - opt_limit;
+		if (i < 0) {
+			i = 0;
+		}
 		if (i % 2 == 1) {
 			++i;
 		}
@@ -455,7 +458,7 @@ var update_highlight = function() {
 }
 
 var update_history = function() {
-	if (display_lines[0] === null) {
+	if (display_lines[0] === null || display_lines[0].pretty_pv.length == 0) {
 		$("#history").html("No history");
 	} else if (truncate_display_history) {
 		$("#history").html(print_pv(0, display_lines[0].pretty_pv, 1, 'W', 8, true));
@@ -781,6 +784,7 @@ var update_displayed_line = function() {
 
 		move = source + "-" + target;
 		hiddenboard.move(move, false);
+		pos = hiddenboard.position();
 
 		// Do promotion if needed.
 		if (promo != "") {