libgedit-gtksourceview-dev - 299.0.4-3+b2 main

libgedit-gtksourceview is a library that extends GtkTextView, the
standard GTK widget for multiline text editing. This library adds
support for syntax highlighting, undo/redo, file loading and saving,
search and replace, a completion system, printing, displaying
line numbers, and other features typical of a source code editor.
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This package contains the header files required if you wish to
develop software that uses the GtkSourceView widget.