libgtksourceview2.0-0 2.10.5-1ubuntu2.14.10.1 (amd64 binary) in ubuntu utopic

 GtkSourceView is a text widget that extends the standard GTK+ 2.x text widget
 GtkTextView. It improves GtkTextView by implementing syntax highlighting and
 other features typical of a source editor.
 .
 This package contains the shared libraries required by applications to use
 this widget.