I reviewed the changes, and I didn't find anything that would actually have effects on the generated output.
e7a7738 doxygen: Update the configuration file
doxygen/doxygen.conf.in | 1112 ++++++++++++++++++++++++++++++++++++++---------
1 file changed, 914 insertions(+), 198 deletions(-)
Upstream: cgit.freedesktop.org