Merge branch 'maint' into python-work * maint: tests: fix spurious failure on fast machines aclocal: better URL reference in error message coverage: distcheck-hook to catch missing/outdated *.m4 files aclocal: more granularity in acdir overriding * tests/amhello-binpkg.test: Add missing $EXEEXT usage. fix: list test 'vala-vpath.test' in XFAIL_TESTS tests: simplify wrapper for aclocal fix: minor typo in ChangeLog coverage: vala support failing for VPATH from-scratch builds docs: report few more automake parsing limitations tests: list "forgotten" test script in TESTS ylwrap: fix unusual indentation whitespace