Remove $FreeBSD$: one-line sh pattern

Remove /^\s*#[#!]?\s*\$FreeBSD\$.*$\n/

sh: Write absolute path in command -vV and type

POSIX is pretty clear that command -v, command -V and type shall write
absolute pathnames. Therefore, we need to prepend the current directory's
name

sh: Write absolute path in command -vV and type

POSIX is pretty clear that command -v, command -V and type shall write
absolute pathnames. Therefore, we need to prepend the current directory's
name to relative pathnames.

This can happen either when PATH contains a relative pathname or when the
operand contains a slash but is not an absolute pathname.

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