reduce the man(7) global indentation from 7n to 5n, see man_term.c rev. 1.197

delete the two pairs of extra blank lines from expected man(7) terminal
output that are no longer printed since man_term.c rev. 1.189

Trailing whitespace is significant when determining the width of a tag
in mdoc(7) .Bl -tag and man(7) .TP, but not in man(7) .IP.
Quirk reported by Jan Stary <hans at stare dot cz> on ports@.

inevitable churn caused by the section title change

After unifying volume titles in the page headers for man(7) and mdoc(7),
adjust the expected man(7) output to the new convention.
Related to src/usr.bin/mandoc/man_validate.c rev. 1.51.

Complete overhaul of the mandoc(1) test suite.
* Test the recently introduced -Tman output mode, too.
* Specify date and OS arguments in all tests.
* Remove the kludge of sed(1)ing away the page foot

Complete overhaul of the mandoc(1) test suite.
* Test the recently introduced -Tman output mode, too.
* Specify date and OS arguments in all tests.
* Remove the kludge of sed(1)ing away the page footer lines.
* New make(1) variables SKIP_TMAN, SKIP_GROFF.
* Drop obsolete, clumsy make(1) variable GROFF_TARGETS.
* Delete obsolete mdoc/Bl/E*.sh error reporting tests.
* Silence char/N/basic.
* New targets:
- ascii, ascii-clean - to run -Tascii tests only
- tman, tman-clean - to run the new -Tman tests only
- obj-clean - maintainer only, needed before groff-clean and groff
- groff-clean - maintainer only, affects checked-in files

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another test found in my tree