X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2FDocIterator.cpp;h=f396ef5869f931b2c92454baa49f55a131106402;hb=b7ab77c2480f31bc39ae076d83f212674ecb63b9;hp=ec1f6b89cd1fcd2bf3788797221005732935f320;hpb=de38a9ed5f72a4fa53735fbd41c0b5585a7345dc;p=lyx.git

diff --git a/src/DocIterator.cpp b/src/DocIterator.cpp
index ec1f6b89cd..f396ef5869 100644
--- a/src/DocIterator.cpp
+++ b/src/DocIterator.cpp
@@ -72,6 +72,23 @@ DocIterator doc_iterator_end(const Buffer * buf0, const Inset * inset0)
 }
 
 
+DocIterator DocIterator::clone(Buffer * buffer) const
+{
+	LASSERT(buffer->isClone(), return DocIterator());
+	Inset * inset = &buffer->inset();
+	DocIterator dit(buffer);
+	size_t const n = slices_.size();
+	for (size_t i = 0 ; i != n; ++i) {
+		LASSERT(inset, /**/);
+		dit.push_back(slices_[i]);
+		dit.top().inset_ = inset;
+		if (i + 1 != n)
+			inset = dit.nextInset();
+	}
+	return dit;
+}
+
+
 bool DocIterator::inRegexped() const
 {
 	InsetMathHull * i = dynamic_cast<InsetMathHull *>(inset().asInsetMath());
@@ -92,7 +109,8 @@ Inset * DocIterator::nextInset() const
 	if (pos() == lastpos())
 		return 0;
 	if (pos() > lastpos()) {
-		LYXERR0("Should not happen, but it does. ");
+		LYXERR0("Should not happen, but it does: pos() = "
+			<< pos() << ", lastpos() = " << lastpos());
 		return 0;
 	}
 	if (inMathed())
@@ -110,7 +128,7 @@ Inset * DocIterator::prevInset() const
 		if (cell().empty())
 			// FIXME: this should not happen but it does.
 			// See bug 3189
-			// http://bugzilla.lyx.org/show_bug.cgi?id=3189
+			// http://www.lyx.org/trac/ticket/3189
 			return 0;
 		else
 			return prevAtom().nucleus();