Merge branch 'es/chainlint'

The chainlint test script linter in the test suite has been updated. * es/chainlint: chainlint.sed: stop splitting "(..." into separate lines "(" and "..." chainlint.sed: swallow comments consistently chainlint.sed: stop throwing away here-doc tags chainlint.sed: don't mistake `<< word` in string as here-doc operator chainlint.sed: make here-doc "<<-" operator recognition more POSIX-like chainlint.sed: drop subshell-closing ">" annotation chainlint.sed: drop unnecessary distinction between ?!AMP?! and ?!SEMI?! chainlint.sed: tolerate harmless ";" at end of last line in block chainlint.sed: improve ?!SEMI?! placement accuracy chainlint.sed: improve ?!AMP?! placement accuracy t/Makefile: optimize chainlint self-test t/chainlint/one-liner: avoid overly intimate chainlint.sed knowledge t/chainlint/*.test: generalize self-test commentary t/chainlint/*.test: fix invalid test cases due to mixing quote types t/chainlint/*.test: don't use invalid shell syntax