X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2FParagraphList.h;h=7e5cc1a869ff50b54150f09d1c85d2448731ba9c;hb=4ed0312c51704780af1c452d3a82a84171b3725a;hp=a57deb4eea7b2a7e8582ef7cdedeb1deb62176f0;hpb=345d7c00cd85576102a025daad82e6537fcb12d2;p=lyx.git

diff --git a/src/ParagraphList.h b/src/ParagraphList.h
index a57deb4eea..7e5cc1a869 100644
--- a/src/ParagraphList.h
+++ b/src/ParagraphList.h
@@ -29,6 +29,17 @@ public:
 	ParagraphList(InputIterator first, InputIterator last)
 		: RandomAccessList<Paragraph>(first, last)
 	{}
+
+	const Paragraph * getParagraphBefore(const_iterator const & par) const
+	{
+		// No previous paragraph.
+		if (par == begin())
+			return nullptr;
+
+		auto prevpar = par;
+		--prevpar;
+		return &*prevpar;
+	}
 };
 
 } // namespace lyx