X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2FDocIterator.cpp;h=fe1250ff335bf5d91330d12c79ca7bf5c60f241a;hb=28be7d552f62cc02fa86d7f79201d089bfb2d7b5;hp=fdb61876d6ca3975e9b0b417f1dea9804fb86bd8;hpb=8914ddeaee2aa78459c3148866ca779d6a693f69;p=lyx.git

diff --git a/src/DocIterator.cpp b/src/DocIterator.cpp
index fdb61876d6..fe1250ff33 100644
--- a/src/DocIterator.cpp
+++ b/src/DocIterator.cpp
@@ -318,6 +318,24 @@ Inset * DocIterator::innerInsetOfType(int code) const
 }
 
 
+bool DocIterator::posBackward()
+{
+	if (pos() == 0)
+		return false;
+	--pos();
+	return true;
+}
+
+
+bool DocIterator::posForward()
+{
+	if (pos() == lastpos())
+		return false;
+	++pos();
+	return true;
+}
+
+
 // This duplicates code above, but is in the critical path.
 // So please think twice before adding stuff
 void DocIterator::forwardPos()
@@ -544,7 +562,7 @@ bool DocIterator::fixIfBroken()
 	size_t n = slices_.size();
 	for (; i != n; ++i) {
 		CursorSlice & cs = slices_[i];
-		if (&cs.inset() != inset) {
+		if (&cs.inset() != inset || cs.nargs() == 0) {
 			// the whole slice is wrong, chop off this as well
 			--i;
 			LYXERR(Debug::DEBUG, "fixIfBroken(): inset changed");