From: Vincent van Ravesteijn <vfr@lyx.org>
Date: Thu, 5 Nov 2009 00:38:09 +0000 (+0000)
Subject: Fix bug #5968: Assertion while reading a document with multiple equation labels.
X-Git-Tag: 2.0.0~5225
X-Git-Url: https://git.lyx.org/gitweb/?a=commitdiff_plain;h=d63403205b6f931c133776db52eb25206a2686e1;p=lyx.git

Fix bug #5968: Assertion while reading a document with multiple equation labels.

This is another ad-hoc solution for the problem of a zero buffer pointer while reading a document or when using cut&paste.

This simple solution would be suitable for branch.

see also e.g. r29085, r28319, bug #5688.

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@31861 a592a061-630c-0410-9148-cb99ea01b6c8
---

diff --git a/src/mathed/InsetMathHull.cpp b/src/mathed/InsetMathHull.cpp
index abb35e479f..2d16cc20a1 100644
--- a/src/mathed/InsetMathHull.cpp
+++ b/src/mathed/InsetMathHull.cpp
@@ -507,9 +507,13 @@ void InsetMathHull::label(row_type row, docstring const & label)
 			label_[row] = dummy_pointer;
 			// We need an update of the Buffer reference cache.
 			// This is achieved by updateLabels().
-			buffer().updateLabels();
+			if (buffer_)
+				buffer().updateLabels();
 		} else {
-			label_[row]->updateCommand(label);
+			if (buffer_)
+				label_[row]->updateCommand(label);
+			else
+				label_[row]->setParam("name", label);
 		}
 		return;
 	}