Merge branch 'maint' into java-work * maint: fix typo in recent ChangeLog entry docs, tests: synchronize examples on silent-rules from config.site tests: fix weakness in 'tests-environment-backcompat.test' tests: portability fixes in tests on amhello examples remake: add test ensuring that slower remakes don't hang remake: fix outdated comment in configure.am docs, tests: synchronize examples from docs to tests