First of all: revision 1981 is mine, what is important me because I was born in 1981. But what is new in my revision? If you drag nodes with left button, edge-breakpoints do not change location. If you drag nodes by right button, they do, they take up their base situation at the halfpoint of the edge.
     4 Maintainer: LEMON Development Team <etik-ol@cs.elte.hu>
 
     5 Build-Depends: debhelper (>= 4.0.0)
 
     6 Standards-Version: 3.6.1
 
    10 Depends: ${shlibs:Depends}, ${misc:Depends}, glpk
 
    11 Description: A C++ template library aimed at combinatorial optimization tasks.
 
    12  LEMON stands for Library of Efficient Models and
 
    13  Optimization in Networks. It is a C++ template
 
    14  library aimed at combinatorial optimization tasks,
 
    15  especially those working with graphs and networks.