gtksourceview4-4.8.4-160000.2.2

- Drop changes.lang source, request from upstream + gedit no longer
  uses plain gtksourceview. (boo#1205804)

- Update to version 4.8.4:
  + Style updates to kate, classic, tango.
  + Language updates to vala, python3, c, cuda, latex.
  + Add unit tests for language specs.
  + Updated translations.

- Update to version 4.8.3:
  + Adds support for more Pango font-variants.
  + Style updates to solarized-dark, solarized-light.
  + Language updates to lean, rst, c, gtk-doc, javascript, and
    json.
  + Updated translations.

- Require libgtksourceview-4-0 instead of gtksourceview4 in the
  devel package: defacto the same package, as the library provides
  the base name, but more explicit and clearer.
- Add libgtksourceview4 Provides to libgtksourceview-4-0 and add a
  explicit Requires in devel subpackage, silence rpmlint.
- Use ldconfig_scriptlets for post(un) handling.
- Update Supplements to current standard.

- Update to version 4.8.2:
  + New syntax highlighting definition file for: STAR
  + Improved syntax highlighting definition file for: YARA, LLVM
  + GtkSourceMap now avoids animation while scrolling in response
    to clicks. This should help prevent some hysteresis.
  + GObject Introspection fixes
  + Fixed decrement of negative numbers in GtkSourceView
  + Improvements to style schemes: kate
  + Fixed build-time macros for version checking in some scenarios
  + Updated translations.
- Drop d1ed58b2ab82bd5be55881088fc17ff1527511db.patch: fixed
  upstream.

- Add d1ed58b2ab82bd5be55881088fc17ff1527511db.patch: build:
  disable -Werror for incompatible-pointer-types. Works around
  build failure with GCC 11.

- Update to version 4.8.1:
  + Fix highlighting in presence of byte-order-marks (BOM).
  + meson.lang: Update keywords to 0.55.3 syntax.
  + cmake.lang: Update keywords to 3.18.2 syntax.
  + go.lang: make "0i" syntax highlight as integer.
  + Updated translations.

- Update to version 4.8.0:
  + Bump GTK requirement to 3.24 for gdk_window_move_to_rect().
  + Use gdk_window_move_to_rect() to more reliably position
    completion windows.
  + erb.lang: initial support for ERB.
  + javascript.lang, typescript.lang: various correctness and
    performance improvements.
  + Updated translations.
- Up gtk3 dependency.

- Update to version 4.6.1:
  + Fix various G-I annotations
  + Improve draw-spaces coloring in solarized-light
  + javascript.lang: Performance improvements
  + c.lang: Fixes for #include preprocessor
  + sql.lang: Language completeness improvements
  + latex.lang: additional keywords
  + sh.lang: improved parameter expansion
  + yara.lang: initial support for YARA
  + Updated translations.

- Update to version 4.6.0:
  + cpp.lang: add C++20 keywords.
  + commonlisp.lang: add format directives.
  + Updated translations.