Changelog:
Version 2.2.18 (9 June 2019)
--------------
When compiling for GTK-4, require version >= 3.96.0 and make
consequential changes including to documentation (acinclude.m4,
README; doxygen.main.in, application.h, extension.h,
file_print_manager.h, file_print_manager.cpp, gobj_handle.h,
notifier.h, prog_present.h, reassembler.h, shared_handle.h,
text_print_manager.h, text_print_manager.cpp, thread.h, widget.h,
window.h and window.cpp; tests/test_application.cpp;
tests/extra/test_file_print_manager.cpp,
tests/extra/test_text_print_manager.cpp).
Update other documentation (doxygen.main.in; async_queue.h,
gerror_handle.h, shared_handle.h).
Version 2.2.17 (24 October 2018)
--------------
Set FD_CLOEXEC on pipe file descriptors for Notifier objects
(notifier.cpp).
Add support for guile-3.0 (acinclude.m4; extension.h).
Version 2.2.16.1 (27 June 2018)
----------------
Provide a configuration file suitable for doxygen-1.8.14; include
generated .js files in the distribution tarball; rebuild the
documentation (doxygen.main.in; docs/Doxyfile.in,
docs/Makefile.am).
Version 2.2.16 (27 June 2018)
--------------
When compiling for GTK+-4, require version >= 3.94.0
(acinclude.m4, README; doxygen.main.in).
Fix changes in GTK+-3.94 (file_print_manager.h,
file_print_manager.cpp, window.h, window.cpp).
Fix the change from GdkPixbuf to GdkTexture in GTK+-3.93
(file_print_manager.h, file_print_manager.cpp, window.h,
window.cpp).
Let the CGU_USE_GTK manifest constant in cgu_config.h indicate the
version of GTK+ that the library is configured for, and set
GDK_VERSION_MIN_REQUIRED for GTK+-4 (acinclude.m4;
tests/test_application.cpp,
tests/extra/test_file_print_manager.cpp,
tests/extra/test_text_print_manager.cpp; cgu_config.h,
text_print_manager.cpp).
Correct documentation (application.h, extension.h, window.h).
56a1396f54