X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2FCutAndPaste.cpp;h=f79d4ace7c7dc8533df839c169e3e0ab8cc35c8b;hb=bca1b63d89e27b31b089ab48c63368640084b3a6;hp=6ab73f4be1334663f3456e9721e15a6e36c5a250;hpb=946d112ee6b5a8b341f81d5954f2d45dbb185268;p=lyx.git

diff --git a/src/CutAndPaste.cpp b/src/CutAndPaste.cpp
index 6ab73f4be1..f79d4ace7c 100644
--- a/src/CutAndPaste.cpp
+++ b/src/CutAndPaste.cpp
@@ -853,7 +853,10 @@ void switchBetweenClasses(DocumentClassConstPtr oldone,
 			docstring const & n = newone->insetLayout(layoutName).name();
 			bool const is_undefined = n.empty() ||
 				n == DocumentClass::plainInsetLayout().name();
-			if (!is_undefined)
+			docstring const & oldn = oldone->insetLayout(layoutName).name();
+			bool const was_undefined = oldn.empty() ||
+				oldn == DocumentClass::plainInsetLayout().name();
+			if (!is_undefined || was_undefined)
 				continue;
 
 			// The flex inset is undefined in newtc
@@ -1260,6 +1263,7 @@ bool pasteClipboardText(Cursor & cur, ErrorList & errorList, bool asParagraphs,
 		string lyx = theClipboard().getAsLyX();
 		if (!lyx.empty()) {
 			Buffer buffer(string(), false);
+			buffer.setInternal(true);
 			buffer.setUnnamed(true);
 			if (buffer.readString(lyx)) {
 				cur.recordUndo();
@@ -1293,6 +1297,7 @@ bool pasteClipboardText(Cursor & cur, ErrorList & errorList, bool asParagraphs,
 			available = !text.empty();
 			if (available) {
 				Buffer buffer(string(), false);
+				buffer.setInternal(true);
 				buffer.setUnnamed(true);
 				available = buffer.importString(names[i], text, errorList);
 				if (available)