[Bug target/119225] avr-mmcu.texi:15: warning: @anchor should not appear on @item line

[redi at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119225

--- Comment #4 from Jonathan Wakely <redi at gcc dot gnu.org> ---
7.1.1 is very recent though, so I don't think we can require it, only recommend
it. The versions with the error are not very "old".