Backport f6921819.

src/frontends/qt4/GuiTabular.cpp

@@ -555,6 +555,8 @@ docstring GuiTabular::dialogToParams() const
 	//
 	if (newpageCB->isChecked())
 		setParam(param_str, Tabular::SET_LTNEWPAGE);
+    else
+		setParam(param_str, Tabular::UNSET_LTNEWPAGE);
 	//
 	if (captionStatusCB->isChecked())
 		setParam(param_str, Tabular::SET_LTCAPTION);

src/insets/InsetTabular.cpp

@@ -165,6 +165,7 @@ TabularFeature tabularFeature[] =
 	{ Tabular::SET_LTLASTFOOT, "set-ltlastfoot", true },
 	{ Tabular::UNSET_LTLASTFOOT, "unset-ltlastfoot", true },
 	{ Tabular::SET_LTNEWPAGE, "set-ltnewpage", false },
+	{ Tabular::UNSET_LTNEWPAGE, "unset-ltnewpage", false },
 	{ Tabular::TOGGLE_LTCAPTION, "toggle-ltcaption", false },
 	{ Tabular::SET_LTCAPTION, "set-ltcaption", false },
 	{ Tabular::UNSET_LTCAPTION, "unset-ltcaption", false },
@@ -4641,6 +4642,9 @@ bool InsetTabular::getStatus(Cursor & cur, FuncRequest const & cmd,
 		case Tabular::UNSET_LTHEAD:
 			status.setOnOff(!tabular.getRowOfLTHead(sel_row_start, dummyltt));
 			break;
+		case Tabular::UNSET_LTNEWPAGE:
+			status.setOnOff(!tabular.getLTNewPage(sel_row_start));
+			break;
 
 		case Tabular::SET_LTFOOT:
 			status.setEnabled(sel_row_start == sel_row_end
@@ -5657,8 +5661,10 @@ void InsetTabular::tabularFeatures(Cursor & cur,
 		tabular.setLTFoot(row, flag, ltt, true);
 		break;
 
+	case Tabular::UNSET_LTNEWPAGE:
+		flag = false;
 	case Tabular::SET_LTNEWPAGE:
-		tabular.setLTNewPage(row, !tabular.getLTNewPage(row));
+		tabular.setLTNewPage(row, flag);
 		break;
 
 	case Tabular::SET_LTCAPTION: {

src/insets/InsetTabular.h

@@ -233,6 +233,7 @@ public:
 		UNSET_LTLASTFOOT,
 		///
 		SET_LTNEWPAGE,
+		UNSET_LTNEWPAGE,
 		///
 		TOGGLE_LTCAPTION,
 		///

status.20x

@@ -223,6 +223,8 @@ What's new
 - Fix cursor bug when using backspace after the spellchecker replaced 
   a word.
 
+- Fix "Page break on current row" in tabular dialog (bug 8180).
+
 
 * DOCUMENTATION AND LOCALIZATION