Binary package “libgtksourceview-5-0” in ubuntu lunar

shared libraries for the GTK 4 syntax highlighting widget

 GtkSourceView is a text widget that extends the standard GTK 4 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.