Y label could also inherit link legend, e.g.:
However, adding a legend on a link (right click/Format/Edit) seems to fail very often (the dialog box does not open), e.g. for the CMSCOPE exampe, I am unable to add a legend on any of the links entering the scope block, there is a Java error that can be seen on the command line:
Exception in thread "AWT-EventQueue-0" java.lang.NullPointerException: Cannot invoke "com.mxgraph.util.mxPoint.getX()" because "<local8>" is null
at org.scilab.modules.xcos.graph.XcosDiagram.createCellIdentifier(Unknown Source)
at org.scilab.modules.xcos.graph.XcosDiagram.getOrCreateCellIdentifier(Unknown Source)
at org.scilab.modules.xcos.actions.EditFormatAction.createDialog(Unknown Source)
at org.scilab.modules.xcos.actions.EditFormatAction.showDialog(Unknown Source)
at org.scilab.modules.xcos.actions.EditFormatAction.actionPerformed(Unknown Source)
...
S.