X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2Flengthcommon.cpp;h=72f5bbf88faf4274800b11edd344152b9ae79e4b;hb=d4ac337f0bd89c279b2133e2475a662a3ada641b;hp=217c22b6048c48e393d8ddfe8309c01ec49950d9;hpb=6b2232a29c682d8e62d1d2b963bb1a70bee4330b;p=lyx.git

diff --git a/src/lengthcommon.cpp b/src/lengthcommon.cpp
index 217c22b604..72f5bbf88f 100644
--- a/src/lengthcommon.cpp
+++ b/src/lengthcommon.cpp
@@ -236,8 +236,11 @@ bool isValidGlueLength(string const & data, GlueLength * result)
 	// forward approach leads to very long, tedious code that would be
 	// much harder to understand and maintain. (AS)
 
-	if (data.empty())
+	if (data.empty()) {
+		if (result)
+			*result = GlueLength();
 		return true;
+	}
 	string buffer = ltrim(data);
 
 	// To make isValidGlueLength recognize negative values as
@@ -306,8 +309,11 @@ bool isValidLength(string const & data, Length * result)
 	// The parser may seem overkill for lengths without
 	// glue, but since we already have it, using it is
 	// easier than writing something from scratch.
-	if (data.empty())
+	if (data.empty()) {
+		if (result)
+			*result = Length();
 		return true;
+	}
 
 	string   buffer = data;
 	int      pattern_index = 0;