Overview of changes between 1.16.3 and 1.16.4
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- Add new configure option --disable-doc-cross-references and make
  sure releases are made using it.  Distributions are encouraged to
  build with --enable-gtk-doc such that their Pango docs correctly
  cross reference glib and cairo docs.
- Bugs fixed in this release:
	Bug 432991 – developer docs for libpango are broken