Introduce a return value for mathmlize(). We will need this to be able

[features.git] / src / mathed / InsetMathKern.cpp

diff --git a/src/mathed/InsetMathKern.cpp b/src/mathed/InsetMathKern.cpp
index 3eb54948a364775e9b77cda54c45329cfb3b60e9..fddecfe58e27c7cc19b905b8b1c8d674e74149df 100644 (file)
--- a/src/mathed/InsetMathKern.cpp
+++ b/src/mathed/InsetMathKern.cpp
@@ -3,7 +3,7 @@
  * This file is part of LyX, the document processor.
  * Licence details can be found in the file COPYING.
  *
- * \author André Pönitz
+ * \author André Pönitz
  *
  * Full author contact details are available in file CREDITS.
  */
@@ -57,13 +57,25 @@ void InsetMathKern::draw(PainterInfo &, int, int) const
 
 void InsetMathKern::write(WriteStream & os) const
 {
-       os << "\\kern" << from_utf8(wid_.asLatexString()) << ' ';
+       if (wid_.empty())
+               os << "\\kern" << ' ';
+       else
+               os << "\\kern" << from_utf8(wid_.asLatexString()) << ' ';
 }
 
 
 void InsetMathKern::normalize(NormalStream & os) const
 {
-       os << "[kern " << from_utf8(wid_.asLatexString()) << ']';
+       if (wid_.empty())
+               os << "[kern]";
+       else
+               os << "[kern " << from_utf8(wid_.asLatexString()) << ']';
+}
+
+
+docstring InsetMathKern::mathmlize(MathStream &) const
+{
+       return docstring();
 }