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