- InsetMathCases.cpp: fix http://bugzilla.lyx.org/show_bug.cgi?id=4141 for branch

- status.16x: some updates and whitespace fixes

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/branches/BRANCH_1_6_X@28827 a592a061-630c-0410-9148-cb99ea01b6c8

src/mathed/InsetMathCases.cpp

@@ -72,12 +72,14 @@ void InsetMathCases::doDispatch(Cursor & cur, FuncRequest & cmd)
 	//lyxerr << "*** InsetMathCases: request: " << cmd << endl;
 	switch (cmd.action) {
 	case LFUN_TABULAR_FEATURE: {
-		cur.recordUndo();
 		docstring const & s = cmd.argument();
-		if (s == "add-vline-left" || s == "add-vline-right") {
+		// vertical lines and adding/deleting columns is not allowed for \cases
+		if (s == "append-column" || s == "delete-column"
+			|| s == "add-vline-left" || s == "add-vline-right") {
 			cur.undispatched();
 			break;
 		}
+		cur.recordUndo();
 	}
 	default:
 		InsetMathGrid::doDispatch(cur, cmd);
@@ -98,6 +100,14 @@ bool InsetMathCases::getStatus(Cursor & cur, FuncRequest const & cmd,
 				s));
 			return true;
 		}
+		if (s == "append-column" || s == "delete-column") {
+			flag.setEnabled(false);
+			flag.message(bformat(
+				from_utf8(N_("Changing number of columns not allowed in\
+							 'cases': feature %1$s")),
+				s));
+			return true;
+		}
 	}
 	default:
 		return InsetMathGrid::getStatus(cur, cmd, flag);

status.16x

@@ -26,6 +26,8 @@ What's new
 
 - New Indonesian localization of the user interface.
 
+- Updated English Extended manual.
+
 
 * DOCUMENT INPUT/OUTPUT
 
@@ -40,7 +42,8 @@ What's new
 
 - Added locking capabilities for SVN version control support.
   Read Extended manual for details.
-  
+
+
 * WINDOWS INSTALLER
 
 
@@ -56,7 +59,7 @@ What's new
 
 - Fix LaTeX export of an isolated Japanese character when using
   ISO-2022-JP encoding (bug 5802).
-  
+
 - Fix conversion of the lilypond external inset with lilypond >= 2.11.x
   (bug 5834).
 
@@ -85,16 +88,19 @@ What's new
 
 - Do not close the math delimiters dialog when selecting a delimiter 
   without "match" being chosen (bug 5789).
- 
+
 - Ensure that in various dialogs the OK button is the default when both
   the OK and Cancel buttons are enabled (bug 5695).
 
 - Do not create a new document when cancel is pressed in the "new from 
   template" dialog (bug 5848).
-  
+
 - Close the correct document when the close tab button is pressed while
   the cursor is in another tabgroup (with split-screen) (bug 5819).
- 
+
+- Accidentally adding more than two rows for cases environments in
+  formulas is no longer possible (bug 4141).
+
 
 * DOCUMENTATION AND LOCALIZATION