Binary package “libgtksourceviewmm-3.0-dbg” in ubuntu trusty

C++ binding of GtkSourceView - debugging symbols

 GtkSourceViewMM is a C++ binding of GtkSourceView, an extension to
 the text widget included in GTK+ 3.x adding syntax highlighting and
 other features typical for a source file editor.
 .
 GtkSourceViewMM is crafted to integrate well into applications using
 the gtkmm framework.
 .
 These are the debugging symbols for libgtksourceviewmm, needed
 only if you try to debug an application using it.