Reproduced on Windows XP, Inkscape 0.48.4.
Not reproduced with trunk revision 12119.
Steps:
1. Open a blank new document.
2. Launch Extensions>Render>Barcode
3. Double-click on the Bar Height value.
4. Set another value with the keyboard (not with the arrows!).
5. Press the Esc key.
Reproduced on Windows XP, Inkscape 0.48.4.
Not reproduced with trunk revision 12119.
Steps: Render> Barcode
1. Open a blank new document.
2. Launch Extensions>
3. Double-click on the Bar Height value.
4. Set another value with the keyboard (not with the arrows!).
5. Press the Esc key.