X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2FDocIterator.cpp;h=f396ef5869f931b2c92454baa49f55a131106402;hb=88fa0809788ac231fa9b040ee5fd9883476e4980;hp=425c6d6d5edc737e0726657a5e71e55b275cf217;hpb=83b1c48846cabdf60a575a67e3b6a69911a1b14f;p=lyx.git

diff --git a/src/DocIterator.cpp b/src/DocIterator.cpp
index 425c6d6d5e..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());