The shell comment `# Blame Lee E. McMahon (1931-1989) for sed's syntax. :-)` is redistributed in all release tarballs of all autotools packages since 2001.
I don't know the context, but feels like an odd comment, so just delete it. --- lib/m4sugar/m4sh.m4 | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/lib/m4sugar/m4sh.m4 b/lib/m4sugar/m4sh.m4 index 5007dda3..d6b2cf28 100644 --- a/lib/m4sugar/m4sh.m4 +++ b/lib/m4sugar/m4sh.m4 @@ -1222,8 +1222,7 @@ dnl trailing '-' during substitution so that $LINENO is not a special dnl case at line end. (Raja R Harinath suggested sed '=', and Paul dnl Eggert wrote the scripts with optimization help from Paolo Bonzini). [_AS_LINENO_WORKS || { -[ # Blame Lee E. McMahon (1931-1989) for sed's syntax. :-) - sed -n ' +[ sed -n ' p /[$]LINENO/= ' <$as_myself | -- 2.43.0