Until this commitment gui gave us segmentation fault in the case when no element was on graph_displayer_canvas and a map to visualize by a property has been changed.
2 Title: LEMON Reference Manual
3 Author: LEMON Development Team
4 Abstract: Documentation of LEMON.
8 Index: /usr/share/doc/lemon/html/index.html
9 Files: /usr/share/doc/lemon/html/*.html