断b2b即死条件改为b2b点数掉到50以下，补充遗漏文本

parts/language/lang_en.lua

@@ -366,6 +366,7 @@ return{
 			freshLimit="Lock Reset Limit",
 			easyFresh="Normal Lock Reset",
 			fineKill="100% Finesse",
+			b2bKill="No B2B break",
 			opponent="Opponent",
 			life="Lives",
 			pushSpeed="Garbage Speed",

parts/language/lang_fr.lua

@@ -372,6 +372,7 @@ return{
 			freshLimit="Limite de réinit. du délai de verrouillage",
 			easyFresh="Réinit. de verrouillage normale",
 			fineKill="100% Finesse",
+			-- b2bKill="No B2B break",
 			opponent="Adversaire",
 			life="Vie",
 			pushSpeed="Vitesse des lignes indésirables",

parts/language/lang_sp.lua

@@ -370,6 +370,7 @@ return{
 			freshLimit="Límite de Reinicio LD",
 			easyFresh="Reinicio de Bloqueo Normal",
 			fineKill="100% Finesse",
+			-- b2bKill="No B2B break",
 			opponent="Oponente",
 			life="Vida",
 			pushSpeed="Velocidad de Basura",

parts/language/lang_symbol.lua

@@ -303,6 +303,7 @@ return{
 			freshLimit="@",
 			easyFresh="↓_↓_↓_",
 			fineKill="12 XX 21",
+			b2bKill="_1 XX",
 			opponent="^_^",
 			life="<R>",
 			pushSpeed="_↑_↑_",

parts/language/lang_zh.lua

@@ -369,6 +369,7 @@ return{
 			freshLimit="锁延刷新限制",
 			easyFresh="普通刷新锁延",
 			fineKill="强制极简",
+			b2bKill="强制B2B",
 			opponent="对手",
 			life="命数",
 			pushSpeed="上涨速度",

parts/player/player.lua

@@ -1091,7 +1091,7 @@ do--Player.drop(P)--Place piece
 			--Normal clear, reduce B2B point
 			if not piece.special then
 				P.b2b=max(P.b2b-250,0)
-				if ENV.b2bKill then
+				if P.b2b<50 and ENV.b2bKill then
 					lose=true
 				end
 				P:showText(text.clear[cc],0,-30,35,"appear",(8-cc)*.3)