diff-pdf-0.5-bp156.4.7

- Pre-create diff-pdf.1 with help2man to work around GTK+ DISPLAY
  errors (boo#1180471)

- Update to version 0.5:
  * Reflect renaming of package from Ubuntu 20.10 on
  * Increase version to v0.5
  * Add --grayscale option
  * Show default DPI value used in --help output
  * Remove code for old versions of glib and wxWidgets
  * Tiny code formatting fixes
  * Add rasterization DPI option (#71)
  * AppVeyor: fix MSYS2 build
  * Remove legacy poppler-cairo dependency (#69)
  * Add instructions for installing on Fedora and CentOS 8 (#66)
- Drop no longer needed fix-find-poppler.patch
- Switch to obs scm _service

- Pre-create diff-pdf.1 with help2man to work around GTK+ DISPLAY
  errors (boo#1180471)

- Update to version 0.4.1
  Fixes some bugs (#64, #65) that crept into 0.4.
  All users of 0.4 should update.
- Update to version 0.4
  Added new useful options contributed by @fatalmind:
  - -skip-identical    only outputs pages with actual differences
  - -channel-tolerance makes it easy to ignore tiny differences
  - -mark-differences  adds visual markers to the margin to
    highlight where small changes are
- Add fix-find-poppler.patch
- Add man page with help2man
- Clean up spec file

- Fix building with gcc6 (boo#985353)
- Use safer ldflags

- Cleanup spec file and update dependencies

+ initial compilation
-