gtksourceview5: gtksourceview5 gtksourceview5: gtksourceview5: GtkSourceView is a GNOME library that extends GtkTextView, the gtksourceview5: standard GTK+ widget for multiline text editing. GtkSourceView adds gtksourceview5: support for syntax highlighting, undo/redo, file loading and saving, gtksourceview5: search and replace, a completion system, printing, displaying line gtksourceview5: numbers, and other features typical of a source code editor. gtksourceview5: gtksourceview5: gtksourceview5: gtksourceview5: