in embedded environments (fd.o #19997, NB#219964; Simon McVittie)
• Install the documentation, and an index for Devhelp (fd.o #13495,
Debian #454142; Simon McVittie, Matthias Clasen)
+ • If checks are not disabled, check validity of string-like types and
+ booleans when sending them (fd.o #16338, NB#223152; Simon McVittie)
+ • Add UnknownObject, UnknownInterface, UnknownProperty and PropertyReadOnly
+ errors to dbus-shared.h (fd.o #34527, Lennart Poettering)
• Windows:
· Avoid the name ELEMENT_TYPE due to namespace-pollution from winioctl.h
(Andre Heinecke)