master
initial import
maint: update copyright dates
sed: a gnulib regex fix resolves long-standing backref bug
maint: remove all trailing white space
sed: accept ** (documented GNU extension) in BRE mode
treat 's&foo&\&&' compatibly with traditional 'sed'
maint: quote 'like this' not `like this'
sed: avoid a one-time, one-byte leak
sed: do not allow removed 'L' command in compiler
sed: don't segfault for "sed -f<(echo ':label') --debug"
maint: ensure that new "make syntax-check"-run sc_codespell passes
tests: tolerate SELinux setfscreatecon warning on Android/Termux
tests: add a test for the just-fixed bug
tests: skip C-locale sub-tests when "C" is multibyte
tests: handle missing perl
maint: simplify a test script
sed: --posix: fix escape handling after a named character class
tests: really skip read-error-stale-errno on Cygwin
sed: s///g now works for input lines longer than 2GB
sed: fix \b DFA-bug in C locale