4.?bsd (& other) awk handling of \ escapes in strings is undocumented

[Arthur David Olson]

Index:		man/man1/awk.1

Description:
		Some (but not all) backslash escapes recognized by the
		C compiler in strings are recognized by awk; documentation
		as to which are (and aren't) is missing.  (I don't know if
		awk's behavior is documented in System V.)

Repeat-By:
		awk 'BEGIN { print "\"\\\b\t\f\r\n\007" ; exit }'
		man awk
		cat /usr/doc/awk
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